task
stringclasses
5 values
input
stringlengths
89
339
canonicalization
### Instruction: Canonicalize the following SMILES string. C1CN(CCN1C(c1cnn(c1)C)=O)[C@H]1CCS(=O)(=O)C1 ### Response: Cn1cc(C(=O)N2CCN([C@H]3CCS(=O)(=O)C3)CC2)cn1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]C[C@@H]1CCCO1 Fragment 2: [16*]c1cc(F)ccc1O ### Response: C[C@@H]([NH2+]C[C@@H]1CCCO1)c1cc(F)ccc1O
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@H](NC(=O)c1cncc(Br)c1)c1ccco1 ### Response: 2
ring_counting
### Instruction: Count the six-membered rings in the following molecule. COc1cc(NCc2ccc3ccccc3c2)ccc1NC(C)=O ### Response: 3
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]C[C@H]([8*])O Fragment 2: [16*]c1ccc(OC)c(F)c1 ### Response: COc1ccc([C@H](O)CSc2nc(-c3ccc(Cl)cc3)n[nH]2)cc1F
functional_group
### Instruction: Does the molecule contain a halide group? CCc1ccccc1NC(=O)C(=O)NCCc1c[nH]c2ccc(Cl)cc12 ### Response: Yes
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CCCCC(=O)Nc1ccc2nc(C)n(-c3ccc(Cl)cc3)c(=O)c2c1 ### Response: 5
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CN1CCN(S(=O)(=O)c2cc(C(=O)Nc3ccc(Cl)c(Cl)c3)ccc2F)CC1 ### Response: 3
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@@H]1CCCC[C@@]1(O)c1ccc(Cl)cc1F ### Response: 1
functional_group
### Instruction: Does the molecule contain a phenol group? [NH3+]C[C@H]1CCC[C@H]1S(=O)(=O)c1cccc(F)c1 ### Response: No
functional_group
### Instruction: Does the molecule contain a ether group? O=C(CC1(O)CCCCC1)Nc1ccccc1OCc1cscn1 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]Cc1nnc([14*])s1 Fragment 2: [5*]NCc1nnc([14*])s1 ### Response: C[C@@H](NCc1nnc(-c2ccccc2)s1)c1nc2c(s1)CCCC2
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@H](Sc1ncnc2ccsc12)C(=O)N[C@H]1CC[NH+](Cc2ccccc2)C1 ### Response: 3
canonicalization
### Instruction: Canonicalize the following SMILES string. Cn1n(-c2ccccc2)c(=O)c(NC(=O)CC/C=C/c2ccccc2)c1C ### Response: Cc1c(NC(=O)CC/C=C/c2ccccc2)c(=O)n(-c2ccccc2)n1C
canonicalization
### Instruction: Canonicalize the following SMILES string. C1(N(C)CCN(c2ncc(s2)C[NH2+]C(C)(C)C)C1(C)C)=O ### Response: CN1CCN(c2ncc(C[NH2+]C(C)(C)C)s2)C(C)(C)C1=O
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1sc2c(c1[16*])CCCC2 Fragment 2: [1*]C(=O)C([7*])C#N ### Response: N#C/C(=C\c1ccccc1)C(=O)Nc1sc2c(c1C(N)=O)CCCC2
ring_counting
### Instruction: Count the six-membered rings in the following molecule. Cc1cc(NC(=O)c2cn(C)nc2C(C)(C)C)cnc1Cl ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]C[C@H](O)C(F)(F)F Fragment 2: [5*]N(C)c1ncccc1[N+](=O)[O-] ### Response: CN(C[C@H](O)C(F)(F)F)c1ncccc1[N+](=O)[O-]
ring_counting
### Instruction: Count the five-membered rings in the following molecule. [NH3+][C@H]1CCCCC[C@@H]1C(=O)OCC1CCCCC1 ### Response: 0
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? O=C(N[C@H]1CCOc2ccc(Br)cc21)C1(c2ccc(F)cc2)CC1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? O=C(c1cc[n+]([O-])cc1)N1CCc2ccc(NC(=O)C3(c4ccccc4)CC3)cc2C1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CCN(CC1CC1)C(=O)Nc1ccc(N2CCCC2=O)cc1 ### Response: 2
functional_group
### Instruction: Does the molecule contain a amine group? c1cc2c(cc1[C@H]1CCC[NH+]1Cc1cnn3c1NCCC3)OCO2 ### Response: Yes
canonicalization
### Instruction: Canonicalize the following SMILES string. c1c2c(cc(Br)c1[C@@H](Cl)[C@]1(C)CCCO1)[nH]c(=O)[nH]2 ### Response: C[C@@]1([C@H](Cl)c2cc3[nH]c(=O)[nH]c3cc2Br)CCCO1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. CN(C[C@H](O)C1CC1)C(=O)CC1CCC(c2ccccc2)CC1 ### Response: 0
canonicalization
### Instruction: Canonicalize the following SMILES string. N1(C(=O)CN(CC(N)=O)C(=O)C1)CC ### Response: CCN1CC(=O)N(CC(N)=O)CC1=O
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[NH+](CCC1CC[NH2+]CC1)[C@H]1CCOC2(CCC2)C1 ### Response: 2
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? O=C(Nc1ccc(OCc2cccc(F)c2)c(F)c1)[C@@H]1COCCO1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1nc(NC2CCN(C(=O)N3CCOCC3)CC2)c2sccc2n1 ### Response: 1
canonicalization
### Instruction: Canonicalize the following SMILES string. O=C1N([C@H](C(C)C)C(OCC(c2ccc(cc2)C)=O)=O)C(=O)[C@@H]2[C@@H]1[C@H]1C[C@@H]2C=C1 ### Response: Cc1ccc(C(=O)COC(=O)[C@@H](C(C)C)N2C(=O)[C@@H]3[C@@H](C2=O)[C@H]2C=C[C@@H]3C2)cc1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. CC/[NH+]=C(/NCC#Cc1ccccc1)NC[C@@H](C)C#N ### Response: 0
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@H](Sc1nnc(-c2cccs2)n1C1CC1)C(=O)NC[C@H]1CCCO1 ### Response: 3
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(S(=O)([C@@H]2CCC[C@@H]2C[NH3+])=O)cc(F)ccc1 ### Response: [NH3+]C[C@H]1CCC[C@H]1S(=O)(=O)c1cccc(F)c1
functional_group
### Instruction: Does the molecule contain a ester group? COC(=O)CNC(=O)N1CC[C@@](O)(c2ccccc2)[C@@H]2CCCC[C@H]21 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)CN1C(=O)[C@@H]2CCCN2C(=O)c2ccccc21 Fragment 2: [5*]NCC(=O)OC ### Response: COC(=O)CNC(=O)CN1C(=O)[C@@H]2CCCN2C(=O)c2ccccc21
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [14*]c1ncc[nH]1 Fragment 2: [5*]Nc1ccccc1[16*] ### Response: Cc1nn(C)c(Cl)c1/C=C/C(=O)Nc1ccccc1-c1ncc[nH]1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]NS(=O)(=O)c1ccc([16*])c(C)c1 Fragment 2: [5*]NC1CCCCC1 ### Response: Cc1cc(S(=O)(=O)NC(C)C)ccc1OCC(=O)NC1CCCCC1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1ccccc1NC(=O)c1nnc([C@@H]2CCCN(S(=O)(=O)c3ccc(F)c(Cl)c3)C2)s1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1n[nH]c(C)c1CNC(=O)c1ccnc(OC(C)(C)C)c1 ### Response: 3
ring_counting
### Instruction: Count the five-membered rings in the following molecule. COc1cc([C@H]2CC(=O)NC3=C2C(=O)C[C@@H](c2ccccc2Cl)C3)cc(Br)c1O ### Response: 0
functional_group
### Instruction: Does the molecule contain a halide group? COCc1cc(Cl)nc(NCc2cccc(C(F)(F)F)c2)n1 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [16*]c1cc([16*])c(N)c(C)c1 Fragment 2: [3*]OC1C[C@@H](C)C[C@@H](C)C1 ### Response: Cc1cc(OC2C[C@@H](C)C[C@@H](C)C2)cc(C(=O)[O-])c1N
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [8*][C@H](C)[NH3+] Fragment 2: [15*][C@H]1CCCC(C)(C)CC1 ### Response: C[C@H]([NH3+])[C@H]1CCCC(C)(C)CC1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [16*]c1cccc(Cl)c1 Fragment 2: [4*]CC(C)C ### Response: CC(C)C[NH+]1[C@@H]2CCC[C@H]1CC(NC(=S)Nc1cccc(Cl)c1)C2
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]N[C@@H](C)C[8*] Fragment 2: [1*]C(=O)[C@H]1CCO[C@@H]1C ### Response: C[C@@H](Cc1ccc(F)c(Br)c1)NC(=O)[C@H]1CCO[C@@H]1C
canonicalization
### Instruction: Canonicalize the following SMILES string. c1c(C(=O)/C=C\c2ccc(cc2)NC(C)=O)ccc(Cl)c1 ### Response: CC(=O)Nc1ccc(/C=C\C(=O)c2ccc(Cl)cc2)cc1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [9*]n1cc(C)cn1 Fragment 2: [5*]N(C)C ### Response: Cc1cnn(CCC(=O)NNC(=O)c2cccc(N(C)C)c2)c1
ring_counting
### Instruction: Count the six-membered rings in the following molecule. O=C(CN1CCN(Cc2ccc(F)c(F)c2)CC1)c1cccs1 ### Response: 2
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CC(C)[NH2+][C@@](C)(CN1C[C@H]2CCC[NH+]2C[C@H]1C)C(N)=O ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]NC[C@@H]([8*])C Fragment 2: [5*]N1CCC([15*])CC1 ### Response: CC(=O)N1CCC(Oc2ccc(Cl)cc2C(=O)NC[C@H](C)c2ccccc2)CC1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(ccc(C(N2CCCC2)=O)cc1)CSc1n(cnn1)-c1c(cc(cc1)C)C ### Response: Cc1ccc(-n2cnnc2SCc2ccc(C(=O)N3CCCC3)cc2)c(C)c1
functional_group
### Instruction: Does the molecule contain a nitro group? CC(=O)Nc1c(C)cc(NC(=O)c2cc3c(s2)CCCCCC3)cc1C ### Response: No
functional_group
### Instruction: Does the molecule contain a ether group? CO[C@H]1CC(C)(C)Oc2ccc3oc(C(=O)N4CCc5ccccc5C4)c(C)c3c21 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [15*][C@@H]1CCC(C)(C)[C@@H]1[NH3+] Fragment 2: [5*][NH+]1CCCCCCC1 ### Response: CC1(C)CC[C@@H]([NH+]2CCCCCCC2)[C@H]1[NH3+]
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC(C)c1ccc(N2Cc3ccc(NC(=O)NC[C@H](C)CO)cc3C2)cc1 ### Response: 3
canonicalization
### Instruction: Canonicalize the following SMILES string. c1cc(c(S(=O)(=O)C)cc1)NC(=O)NCCc1c(cccc1F)F ### Response: CS(=O)(=O)c1ccccc1NC(=O)NCCc1c(F)cccc1F
canonicalization
### Instruction: Canonicalize the following SMILES string. c1c(ccc(C)c1)-c1c(C[NH2+]CCOC)nco1 ### Response: COCC[NH2+]Cc1ncoc1-c1ccc(C)cc1
canonicalization
### Instruction: Canonicalize the following SMILES string. o1c(nnc1-c1cc(ccc1)F)CN1CCC[C@H](C1)C[NH+]1CCCC[C@@H]1C ### Response: C[C@H]1CCCC[NH+]1C[C@@H]1CCCN(Cc2nnc(-c3cccc(F)c3)o2)C1
functional_group
### Instruction: Does the molecule contain a amine group? C=CCNC(=O)c1ccc(NS(=O)(=O)c2cc(Cl)ccc2Cl)cc1 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [6*]C(=O)NNC(=O)C[8*] Fragment 2: [14*]c1sc(C)cc1OC ### Response: COc1cc(C)sc1C(=O)NNC(=O)Cc1cccc2ccccc12
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1nn2c(C)c(C(=O)N3CCN(Cc4ccccc4)CC3)nnc2c1-c1cccc(Cl)c1 ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [10*]N1CCCC1=O Fragment 2: [5*]NS(=O)(=O)c1ccc([16*])cc1 ### Response: O=C1CCCN1c1ccc(S(=O)(=O)NCC[C@H]2CCCO2)cc1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)C([1*])=O Fragment 2: [5*]N[C@H](CC)CO ### Response: CC[C@H](CO)NC(=O)C(=O)Nc1cccc(C#N)c1
canonicalization
### Instruction: Canonicalize the following SMILES string. C1[C@@H]([NH+]2CCc3c(C2)cccc3N)C[C@H](S(C)(=O)=O)CC1 ### Response: CS(=O)(=O)[C@@H]1CCC[C@@H]([NH+]2CCc3c(N)cccc3C2)C1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)N1CCOCC1 Fragment 2: [4*][C@@H](C)CCCC=C ### Response: C=CCCC[C@H](C)[NH+]1CCN(C(=O)N2CCOCC2)CC1
canonicalization
### Instruction: Canonicalize the following SMILES string. C1CN(CC)CCN1C(=O)c1nc(ccc1Cl)-n1nc(cc1C)C ### Response: CCN1CCN(C(=O)c2nc(-n3nc(C)cc3C)ccc2Cl)CC1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1ccc(C#N)cc1S(=O)(=O)[N-]c1cccc(C(=O)[O-])c1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a thiol group? Cc1[nH]c2cccc(C(=O)N3CCC[C@H](c4ccc(C(=O)NCC5CC5)cn4)C3)c2c1C ### Response: No
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? COc1ccc(NC(=O)C[C@@H](C)S(=O)(=O)c2ccc3c(c2)C[C@H](C)N3C(C)=O)cc1 ### Response: 4
functional_group
### Instruction: Does the molecule contain a ester group? CN1C(=O)N[C@@H](c2ccccc2Cl)C2=C1CN(CC(=O)NCc1ccccc1)C2=O ### Response: No
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [6*]C(=O)N/N=C1\C[C@]2([15*])CC[C@@]1(C)C2(C)C Fragment 2: [16*]c1ccc(Cl)cc1 ### Response: CC1(C)[C@@]2(C(=O)[O-])CC[C@]1(C)/C(=N/NC(=O)c1ccc(Cl)cc1)C2
ring_counting
### Instruction: Count the six-membered rings in the following molecule. Nc1ncc(-n2ccnc2)s1 ### Response: 0
canonicalization
### Instruction: Canonicalize the following SMILES string. O=c1n(C)nc(c2ccccc21)C(N1CCC(CC1)(c1ccc(cc1)Cl)O)=O ### Response: Cn1nc(C(=O)N2CCC(O)(c3ccc(Cl)cc3)CC2)c2ccccc2c1=O
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@H](NC(=O)N(C)CC[C@@H]1CCCC[NH+]1C)C(=O)N1CCCC[C@@H]1C ### Response: 3
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]N1c2ncnn2[C@H](c2ccc(Cl)cc2)C[C@H]1[13*] Fragment 2: [1*]C(=O)C1CC1 ### Response: COc1ccc([C@@H]2C[C@@H](c3ccc(Cl)cc3)n3ncnc3N2C(=O)C2CC2)cc1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [6*]C(=O)[C@H]1C(C(=O)OC)=Nc2nnnn2[C@@H]1c1ccc(Cl)cc1 Fragment 2: [16*]c1ccc(OC)c(OC)c1 ### Response: COC(=O)C1=Nc2nnnn2[C@H](c2ccc(Cl)cc2)[C@H]1C(=O)c1ccc(OC)c(OC)c1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? O=C(C[NH2+]C[C@@H]1CCCO1)Nc1cccc(C(F)(F)F)c1 ### Response: 2
ring_counting
### Instruction: Count the five-membered rings in the following molecule. O=C(COc1ccccc1[N+](=O)[O-])NC1CCC(c2ccccc2)CC1 ### Response: 0
canonicalization
### Instruction: Canonicalize the following SMILES string. c1cc(ccc1CCNC(NCCC(N(C)C)=O)=O)CC ### Response: CCc1ccc(CCNC(=O)NCCC(=O)N(C)C)cc1
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CC(=O)N1CCCN(S(=O)(=O)c2ccc(C)cc2)[C@H]1c1ccccc1 ### Response: 3
functional_group
### Instruction: Does the molecule contain a halide group? O=C(c1cc(=O)[nH]c2ccccc12)N1CCC([C@H](O)c2ccccc2)CC1 ### Response: No
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CC[C@H](C)[C@@H](O)CNC(=O)C(=O)Nc1cccc([S@](C)=O)c1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC[C@H](Oc1cc(C)ccc1Cl)C(=O)Cl ### Response: 4
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(C)ccc([C@@]2(N(C(C)C)C(=O)c3ccccc23)O)c(c1)C ### Response: Cc1ccc([C@@]2(O)c3ccccc3C(=O)N2C(C)C)c(C)c1
canonicalization
### Instruction: Canonicalize the following SMILES string. n1ccccc1NC([C@H](CC)C)=O ### Response: CC[C@H](C)C(=O)Nc1ccccn1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [14*]c1n[nH]c2ccc([16*])cc12 Fragment 2: [1*]C(=O)N1CCc2ccccc2CC1 ### Response: COC(=O)c1n[nH]c2ccc(NC(=O)N3CCc4ccccc4CC3)cc12
ring_counting
### Instruction: Count the five-membered rings in the following molecule. Cc1c(Cl)cccc1NC(=O)CCNC(=O)N1CC[C@H](C)[C@@H](O)C1 ### Response: 0
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)C[4*] Fragment 2: [5*]Nc1ccccc1C ### Response: Cc1ccccc1NC(=O)CSc1nc2nc(N3CCCC3)sc2c(=O)n1C
functional_group
### Instruction: Does the molecule contain a halide group? Cc1ccc(-c2csc(SCC(=O)N(C)C)n2)cc1 ### Response: No
functional_group
### Instruction: Does the molecule contain a ether group? COc1ccc([C@H](C)NC(=O)N[C@H](C)[C@H](C)c2ccccc2)cc1OC ### Response: Yes
functional_group
### Instruction: Does the molecule contain a hydroxyl group? CCOCCO[C@@H](C)C(=O)N1CC[C@@H](C)[C@H](O)C1 ### Response: Yes
functional_group
### Instruction: Does the molecule contain a halide group? NC(=O)c1ccnc(N(CC(=O)[O-])CC(F)(F)F)c1 ### Response: Yes
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CCS[C@H]1CC[C@@H](Nc2ccc(Br)cn2)C1 ### Response: 2
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1cc([14*])nn([9*])c1=O Fragment 2: [1*]C(=O)C[8*] ### Response: Cc1ccc(-c2cc(NC(=O)C(C)C)c(=O)n(CC(=O)Nc3cccc(C)c3)n2)cc1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(ccccc1/C=C/C(=O)NNC(=O)c1cc(C)oc1C)[N+](=O)[O-] ### Response: Cc1cc(C(=O)NNC(=O)/C=C/c2ccccc2[N+](=O)[O-])c(C)o1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. CCc1cccc(C(=O)N[C@H]2CCC[C@@H]2C(=O)OC)c1O ### Response: 1
functional_group
### Instruction: Does the molecule contain a amine group? CC[C@@H](C)NC(=O)NCCOc1ncc(C(F)(F)F)cc1Cl ### Response: No
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC(C)Cc1ncc(CN2CCC([NH+]3CCC[C@@H]3C)CC2)s1 ### Response: 3
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@@H]1OCC[C@@H]1C(=O)c1ccc(Br)cc1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC[C@@H](CO)[NH2+]C[C@H]1C(=O)O[C@@H]2C[C@@]3(C)CCC[C@H](C)[C@@]34O[C@H]4[C@@H]21 ### Response: 4