[
    {
        "id": "Perception_7eb1_250723_110558_003092_0",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_003092_0_q.png"
        ],
        "question": "Given the chemical formula C14H12O2 (C1=CC=C(C=C1)COC(=O)C2=CC=CC=C2). Observe this H-NMR spectrum. The singlet peak around ~7.3 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-OH group",
            "Aromatic protons"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_039550_1",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_039550_1_q.png"
        ],
        "question": "Given the chemical formula C4H4N2 (C(CC#N)C#N). In this H-NMR spectrum, the singlet peak around ~2.0 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group (CH3)",
            "Methylene group (CH2)",
            "Nitrile group (C#N)",
            "Aromatic protons"
        ],
        "answer": "Methylene group (CH2)",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_068340_2",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_068340_2_q.png"
        ],
        "question": "Given the SMILES CC1=CC(=C(C(=C1)C)C). In this HNMR spectrum, the singlet peak around ~1.5 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Terminal methyl group (CH3)",
            "Methine group (CH)",
            "Methylene group (CH2)",
            "Aromatic protons"
        ],
        "answer": "Terminal methyl group (CH3)",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_094602_3",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_094602_3_q.png"
        ],
        "question": "Given the chemical formula C9H11Br. Observe this H-NMR spectrum. The triplet peak around ~4.3 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Aromatic protons",
            "Protons adjacent to Br",
            "-CH3 group",
            "Protons on the double bond"
        ],
        "answer": "Protons adjacent to Br",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_126148_4",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_126148_4_q.png"
        ],
        "question": "Given the chemical formula C10H7Cl (C1=CC=C2C=C(C=CC2=C1)Cl). Observe this HNMR spectrum. The singlet peak around ~6.8 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Aromatic CH adjacent to Cl",
            "Aromatic CH next to a double bond",
            "Aliphatic CH3 group",
            "CH2 group"
        ],
        "answer": "Aromatic CH next to a double bond",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_159010_5",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_159010_5_q.png"
        ],
        "question": "Given the chemical formula C9H8O (C1CC(=O)C2=CC=CC=C21). Observe this H-NMR spectrum. The singlet peak around ~7.5 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methylene group",
            "Aromatic protons",
            "Keto proton"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_222397_7",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_222397_7_q.png"
        ],
        "question": "Given the chemical formula C6H10O3 (CC1(CCOC(=O)C1)O). Observe this H-NMR spectrum. The quartet peak around ~3.5 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-OH group",
            "Aromatic ring"
        ],
        "answer": "-CH2 group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_290416_9",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_290416_9_q.png"
        ],
        "question": "Given the chemical formula C4H8O3 (CCOC(=O)CO), observe this H-NMR spectrum. The quartet peak around ~4.1 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group adjacent to O",
            "-OH group",
            "Carbonyl adjacent protons"
        ],
        "answer": "-CH2 group adjacent to O",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_507008_11",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_507008_11_q.png"
        ],
        "question": "Given the chemical formula C5H4O3, observe this H-NMR spectrum. The singlet peak around ~7.3 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Aromatic hydrogen",
            "Methoxy hydrogen",
            "Aldehyde hydrogen",
            "Hydroxyl hydrogen"
        ],
        "answer": "Aromatic hydrogen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_611310_14",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_611310_14_q.png"
        ],
        "question": "Given the chemical formula C8H14O4. Observe this H-NMR spectrum. The singlet peak around ~3.5 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-OCH3 group",
            "Aromatic proton"
        ],
        "answer": "-OCH3 group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_662131_16",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_662131_16_q.png"
        ],
        "question": "Given the chemical formula C6H11ClO2 (CC(=O)OCCCCCl). Observe this H-NMR spectrum. The triplet peak around ~1.6 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group adjacent to Cl",
            "-CH2 group adjacent to carbonyl",
            "Aromatic protons"
        ],
        "answer": "-CH2 group adjacent to Cl",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_694071_17",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_694071_17_q.png"
        ],
        "question": "Given the chemical formula C10H16, observe this H-NMR spectrum. The quartet peak around ~1.4 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-CH group",
            "Aromatic protons"
        ],
        "answer": "-CH2 group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_838733_18",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_838733_18_q.png"
        ],
        "question": "Given the chemical formula C6H5F. Observe this H-NMR spectrum. The singlet peak around ~7.3 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Fluoro-substituted carbon",
            "Aromatic ring protons",
            "Alkene protons"
        ],
        "answer": "Aromatic ring protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_879220_19",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_879220_19_q.png"
        ],
        "question": "Given the chemical formula C5H4O3 (C1=COC(=C1)C(=O)O). Observe this H-NMR spectrum. The singlet peak around ~6.8 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Carboxyl hydrogen",
            "Aromatic hydrogen",
            "Methoxy hydrogen",
            "Alkyl hydrogen"
        ],
        "answer": "Aromatic hydrogen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_905952_20",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_905952_20_q.png"
        ],
        "question": "Given the SMILES C1CC2=CC=CC=C2C(=O)C1. In this H-NMR spectrum, the singlet peak around ~2.6 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Proton on aromatic ring",
            "Proton on carbonyl group",
            "Proton on bridgehead carbon",
            "Proton on aliphatic carbon"
        ],
        "answer": "Proton on carbonyl group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_934946_21",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_934946_21_q.png"
        ],
        "question": "Given the chemical formula C7H8O (COC1=CC=CC=C1), observe this H-NMR spectrum. The singlet peak around ~7.0 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methoxy group",
            "Aromatic protons",
            "Aldehyde proton"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110558_960771_22",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110558_960771_22_q.png"
        ],
        "question": "Given the molecule C18H12 (C1=CC=C2C(=C1)C3=CC=CC=C3C4=CC=CC=C24), observe this H-NMR spectrum. The singlet peak around ~7.8 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Bridge carbon between rings",
            "Terminal methyl group",
            "Phenyl ring proton",
            "Methoxy group proton"
        ],
        "answer": "Phenyl ring proton",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:58"
    },
    {
        "id": "Perception_7eb1_250723_110559_025906_24",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_025906_24_q.png"
        ],
        "question": "Given the chemical formula C3H4Cl2 (C=C(CCl)Cl). Observe this H-NMR spectrum. The singlet peak around ~6.0 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH2Cl group",
            "-CHCl group",
            "Vinyl proton (C=C-H)",
            "Aromatic ring"
        ],
        "answer": "Vinyl proton (C=C-H)",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_075821_26",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_075821_26_q.png"
        ],
        "question": "Given the chemical formula C5H9BrO2, observe this H-NMR spectrum. The triplet peak around ~1.2 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-OH group",
            "Aromatic ring"
        ],
        "answer": "-CH2 group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_122314_28",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_122314_28_q.png"
        ],
        "question": "Given the chemical formula C10H14O2 (C1=CC=C(C=C1)COCCCO). Observe this H-NMR spectrum. The singlet peak around ~6.9 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Aromatic protons",
            "Methyl protons",
            "Oxygen-bound protons",
            "Alkene protons"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_152577_29",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_152577_29_q.png"
        ],
        "question": "Given the molecule C7H7Br (C1=CC=C(C=C1)CBr), observe this H-NMR spectrum. The singlet peak around ~7.4 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "The aromatic protons",
            "The brominated methyl group",
            "The methylene group",
            "The methyl group"
        ],
        "answer": "The aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_197158_31",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_197158_31_q.png"
        ],
        "question": "Given the chemical formula C10H14 (CC1=CC=C(C=C1)C(C)C). Observe this H-NMR spectrum. The singlet peak around ~6.5 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methylene group",
            "Aromatic protons",
            "Vinyl protons"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_226153_32",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_226153_32_q.png"
        ],
        "question": "Given the chemical formula C12H16O2 (CC(=O)OC1=CC=C(C=C1)C(C)(C)C), observe this H-NMR spectrum. The triplet peak around ~1.2 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group (-CH3) adjacent to the aromatic ring",
            "Methylene group (-CH2-) connected to the carbonyl group",
            "Aromatic protons",
            "Hydroxyl group (-OH)"
        ],
        "answer": "Methyl group (-CH3) adjacent to the aromatic ring",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_250219_33",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_250219_33_q.png"
        ],
        "question": "Given the molecule with the formula C9H10O (CCC(=O)C1=CC=CC=C1). In this H-NMR spectrum, the singlet peak around ~7.2 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methylene group",
            "Aromatic proton",
            "Carbonyl proton"
        ],
        "answer": "Aromatic proton",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_275658_34",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_275658_34_q.png"
        ],
        "question": "Given the chemical formula C6H4Br2. In this H-NMR spectrum, the singlet peak around ~7.6 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "Aromatic protons",
            "Alkene protons"
        ],
        "answer": "Aromatic protons",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_295900_35",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_295900_35_q.png"
        ],
        "question": "Given the chemical formula C7H12O4. Observe this H-NMR spectrum. The singlet peak around ~1.0 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group (CH3)",
            "Methylene group (CH2)",
            "Hydroxyl group (OH)",
            "Aromatic proton"
        ],
        "answer": "Methyl group (CH3)",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_331662_36",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_331662_36_q.png"
        ],
        "question": "Given the chemical formula C5H14N2 (C(CCN)CCN). Observe this H-NMR spectrum. The singlet peak around ~3.0 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group adjacent to nitrogen",
            "-CH2 group",
            "-NH group",
            "Aromatic ring"
        ],
        "answer": "-CH3 group adjacent to nitrogen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_390200_38",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_390200_38_q.png"
        ],
        "question": "Given the chemical formula C8H8O (C1C(O1)C2=CC=CC=C2). Observe this H-NMR spectrum. The singlet peak around ~6.8 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Protons on aromatic ring",
            "Protons adjacent to oxygen",
            "Methyl group",
            "Protons on carbonyl group"
        ],
        "answer": "Protons adjacent to oxygen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_445091_40",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_445091_40_q.png"
        ],
        "question": "Given the chemical formula C6H7N (pyridine derivative). Observe the H-NMR spectrum. The singlet peak around ~8.5 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Aromatic CH",
            "Pyridine NH",
            "Alkyl CH3",
            "Alkyl CH2"
        ],
        "answer": "Pyridine NH",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_467091_41",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_467091_41_q.png"
        ],
        "question": "Given the SMILES CC(C1=CC=CC=C1)O. Observe this HNMR spectrum. The singlet peak around ~7.3 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group (CC)",
            "Phenyl ring (C1=CC=CC=C1)",
            "Methoxy group (O)",
            "Alkene group"
        ],
        "answer": "Phenyl ring (C1=CC=CC=C1)",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_497389_42",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_497389_42_q.png"
        ],
        "question": "Given the chemical formula C8H14O2. Observe this HNMR spectrum. The triplet peak around ~1.2 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group adjacent to alkene",
            "-CH2 group in a chain",
            "-OH group",
            "Aromatic ring"
        ],
        "answer": "-CH2 group in a chain",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_521311_43",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_521311_43_q.png"
        ],
        "question": "Given the chemical formula C6H10O (CC(=CC(=O)C)C). In this H-NMR spectrum, the singlet peak around ~1.5 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Terminal methyl group",
            "Methylene group",
            "Methyl group adjacent to carbonyl",
            "Alkene hydrogen"
        ],
        "answer": "Methyl group adjacent to carbonyl",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_544861_44",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_544861_44_q.png"
        ],
        "question": "Given the SMILES CC1=CC=NC=C1. Observe this H-NMR spectrum. The singlet peak around ~3.5 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Proton on nitrogen",
            "Aromatic protons",
            "Vinyl protons"
        ],
        "answer": "Proton on nitrogen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_569708_45",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_569708_45_q.png"
        ],
        "question": "Given the chemical formula C7H14O2 (CCOC(C=C)OCC). Observe this H-NMR spectrum. The triplet peak around ~4.1 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group (-CH3)",
            "Methylene group (-CH2-) adjacent to oxygen",
            "Vinyl group (C=C-H)",
            "Aromatic protons"
        ],
        "answer": "Methylene group (-CH2-) adjacent to oxygen",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_597096_46",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_597096_46_q.png"
        ],
        "question": "Given the chemical formula C11H16, observe this H-NMR spectrum. The singlet peak around ~2.0 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methine group",
            "Aromatic protons",
            "Protons adjacent to a carbonyl group"
        ],
        "answer": "Methine group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_619576_47",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_619576_47_q.png"
        ],
        "question": "Given the chemical formula C5H6O (C1CC(=O)C=C1). Observe this H-NMR spectrum. The quartet peak around ~2.5 ppm in the image is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group",
            "-CH2 group",
            "-OH group",
            "Aromatic ring"
        ],
        "answer": "-CH2 group",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_652671_48",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_652671_48_q.png"
        ],
        "question": "Given the chemical formula C10H14 (CC(C)(C)C1=CC=CC=C1). Observe this H-NMR spectrum. The singlet peak at ~1.6 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "-CH3 group adjacent to a quaternary carbon",
            "-CH2 group",
            "-CH group in a benzene ring",
            "Hydroxyl group"
        ],
        "answer": "-CH3 group adjacent to a quaternary carbon",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    },
    {
        "id": "Perception_7eb1_250723_110559_677166_49",
        "image_path": [
            "data/Perception/Peak Assignment/Perception_7eb1_250723_110559_677166_49_q.png"
        ],
        "question": "Given the chemical formula C6H9NO5, observe this H-NMR spectrum. The singlet peak around ~2.0 ppm is most likely assigned to which part of the molecule?",
        "choices": [
            "Methyl group",
            "Methylene group adjacent to carbonyl",
            "Amine proton",
            "Proton in the carboxyl group"
        ],
        "answer": "Methylene group adjacent to carbonyl",
        "category": "Perception",
        "sub_category": "Peak Assignment",
        "source": "",
        "timestamp": "2025-07-23 11:05:59"
    }
]