task
stringclasses
5 values
input
stringlengths
89
339
functional_group
### Instruction: Does the molecule contain a ether group? C[NH+](CCC1CC[NH2+]CC1)[C@H]1CCOC2(CCC2)C1 ### Response: Yes
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CCC[NH2+][C@@H](c1ccc(CC)s1)[C@@H]1CCO[C@@H]1C ### Response: 3
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? [NH3+][C@H](CC(=O)Nc1ccc(Cl)c(Br)c1)c1ccccc1 ### Response: 3
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CSc1ccccc1NC(=O)CN(C)C(=O)c1csc(-c2ccccc2)n1 ### Response: 2
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(ccc(Br)cc1)N1C(/C(=C/c2n(ccc2)-c2ccc(N(C)C)cc2)C(=NC1=S)[O-])=O ### Response: CN(C)c1ccc(-n2cccc2/C=C2/C(=O)N(c3ccc(Br)cc3)C(=S)N=C2[O-])cc1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]N([5*])CC Fragment 2: [1*]C(=O)C[4*] ### Response: CCNC(=O)CN(CC)c1ncncc1N
ring_counting
### Instruction: Count the six-membered rings in the following molecule. Cc1ccoc1C(=O)NC[C@@H](C)N1CCOCC1 ### Response: 1
canonicalization
### Instruction: Canonicalize the following SMILES string. N(C(=O)CSc1ncnc2c1c(-c1ccc(cc1)OC)cs2)c1ccc(cc1)S(N)(=O)=O ### Response: COc1ccc(-c2csc3ncnc(SCC(=O)Nc4ccc(S(N)(=O)=O)cc4)c23)cc1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1ccccc1 Fragment 2: [16*]c1ccccc1 ### Response: O=C(Nc1ccccc1)N1CCC[C@@H](C(=O)N2CCN(c3ccccc3Cl)CC2)C1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)CC[8*] Fragment 2: [5*]Nc1cnn(C[8*])c1 ### Response: O=C(CCc1ccc(F)cc1)Nc1cnn(CC2CC2)c1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(Cl)c(c(NC(=O)NCc2nnn(c2)[C@@H]2C[NH2+][C@@H](C2)C([O-])=O)ccc1)C ### Response: Cc1c(Cl)cccc1NC(=O)NCc1cn([C@@H]2C[NH2+][C@H](C(=O)[O-])C2)nn1
canonicalization
### Instruction: Canonicalize the following SMILES string. n1c(csc1NC([C@H](C)CC)=O)-c1sc(CNC(=O)C)cc1 ### Response: CC[C@@H](C)C(=O)Nc1nc(-c2ccc(CNC(C)=O)s2)cs1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? COc1ccc([C@H](O)[C@H](C)NC(=O)CC2CCCCC2)cc1 ### Response: 3
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [7*]C(C)C Fragment 2: [4*]Cc1ccccc1 ### Response: CC(C)=C[C@H]1[C@@H](C(=O)N(Cc2ccccc2)Cc2nc3ccccc3c(=O)[nH]2)C1(C)C
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? NC(=O)c1ccc(N[C@H]2CCN(c3c(F)cccc3F)C2=O)cc1 ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)c1csc([14*])n1 Fragment 2: [1*]C(=O)c1csc(N[5*])n1 ### Response: COc1ccc(S(=O)(=O)Nc2nc(C(=O)NCc3ccc4c(c3)OCO4)cs2)cc1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1cc2oc3c(c(=O)c2cc1C)[C@@H](c1ccc(Cl)cc1)N(c1nncs1)C3=O ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? COc1nc2ccccc2nc1C(=O)Nc1ccccc1C(F)(F)F ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [15*][C@H]1CC[C@H]([NH2+]C)C1 Fragment 2: [11*]SCC ### Response: CCS[C@H]1CC[C@H]([NH2+]C)C1
functional_group
### Instruction: Does the molecule contain a hydroxyl group? CCc1nn(C)cc1NC(=O)NCc1ccccc1OCCO ### Response: Yes
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C=CCOc1ccc(/C=N/NC(=O)C(=O)Nc2cccc(Cl)c2C)cc1 ### Response: 3
ring_counting
### Instruction: Count the five-membered rings in the following molecule. O=C([O-])c1coc(-c2csc(-c3ccc(Cl)cn3)n2)c1 ### Response: 2
ring_counting
### Instruction: Count the six-membered rings in the following molecule. Cc1cc(F)ccc1CCNC(=O)N[C@H]1CC(=O)N(CC(F)(F)F)C1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a aromatic_ring group? Cc1cc(NC(=O)C(=O)Nc2cn[nH]c2)n(-c2ccccc2C)n1 ### Response: Yes
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(ccc(cc1)C(N[C@H](C)c1ncc(s1)CC)=O)-c1ncsc1 ### Response: CCc1cnc([C@@H](C)NC(=O)c2ccc(-c3cscn3)cc2)s1
functional_group
### Instruction: Does the molecule contain a amide group? CCN1CCN(C(=O)[C@H]2CCCN(C(=O)c3csc(Nc4cccc(C)c4)n3)C2)CC1 ### Response: Yes
ring_counting
### Instruction: Count the five-membered rings in the following molecule. CCN(C(=O)[C@@H]1CCCN(C(=O)OC)C1)[C@H](C)C(C)C ### Response: 0
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]CCO Fragment 2: [5*]N([5*])CC ### Response: CCN(CCO)C(=O)Nc1nc(C)cs1
canonicalization
### Instruction: Canonicalize the following SMILES string. [C@H]1([C@H]([C@@H](CCC1)NC([C@H](OC(=O)c1cc2c(cc1)OCO2)C)=O)C)C ### Response: C[C@@H]1[C@@H](C)CCC[C@H]1NC(=O)[C@@H](C)OC(=O)c1ccc2c(c1)OCO2
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? C[C@H]1C2=C(CC(C)(C)CC2=O)Nc2ccccc2N1CC(=O)NCCc1c[nH]c2ccccc12 ### Response: 2
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1cc([C@H]2CCCCCN2C(=O)c2ccco2)no1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a aromatic_ring group? CC(C)c1ccc(C[NH+]2CCC[C@@]3(CCN(C(=O)c4cccs4)C3)C2)cc1 ### Response: Yes
ring_counting
### Instruction: Count the six-membered rings in the following molecule. C[S@@](=O)c1ccc(C[NH2+]CCC2CCCC2)cc1 ### Response: 1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)c1cnn([9*])c1[14*] Fragment 2: [5*]Nc1cc(Cl)c(OC)cc1OC ### Response: COc1cc(OC)c(NC(=O)c2cnn(-c3ccc(C)c(C)c3)c2C2CC[NH2+]CC2)cc1Cl
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]Cc1ccccc1 Fragment 2: [1*]C(=O)N[5*] ### Response: O=C(NCC1CCN(S(=O)(=O)C2CC2)CC1)OCc1ccccc1
canonicalization
### Instruction: Canonicalize the following SMILES string. C([C@@H]1CC[C@@H](C(=O)N(CC)c2c(F)cccc2)O1)[NH3+] ### Response: CCN(C(=O)[C@@H]1CC[C@@H](C[NH3+])O1)c1ccccc1F
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1noc([C@@H]2CCCN2C(=O)c2cccc([N+](=O)[O-])c2C)n1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC(C)(CCC#N)C[NH+]1CCCC[C@@H]1c1cc2ccccc2[nH]1 ### Response: 5
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [9*]n1c([14*])nc2nccc([16*])c2c1=O Fragment 2: [3*]OCC ### Response: CCOC(=O)Cn1c(N2CCCCC2)nc2nccc(-c3ccccc3)c2c1=O
functional_group
### Instruction: Does the molecule contain a aromatic_ring group? CC[NH2+][C@H]1CCN([C@@H](C)c2ccc(C)cc2)[C@H](C)[C@@H]1C ### Response: Yes
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CC(C)=Nn1cnc2c1=NC(C)(C)NC=2C(N)=O ### Response: 3
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [16*]c1cccc(N)c1 Fragment 2: [8*]CS([12*])(=O)=O ### Response: C[C@H]1[C@@H](NS(=O)(=O)Cc2cccc(N)c2)CCC[C@@H]1C
ring_counting
### Instruction: Count the five-membered rings in the following molecule. O=C(Nc1ccccc1O)c1ccc2c(c1)C(=O)N(C[C@@H]1CCCO1)C2=O ### Response: 2
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1ccc([16*])cc1[N+](=O)[O-] Fragment 2: [16*]c1cc[nH+]cc1 ### Response: CC(=O)c1ccc(NCCC2CCN(c3cc[nH+]cc3)CC2)c([N+](=O)[O-])c1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? O=C(Nc1cccnc1Cl)C(=O)N[C@@H]1c2ccccc2C[C@H]1O ### Response: 2
functional_group
### Instruction: Does the molecule contain a phenol group? COc1cc(OC)cc(C(=O)Nc2ccc([C@@H]3C=c4cc(Cl)ccc4=[NH+]3)cc2)c1 ### Response: No
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [14*]c1cccs1 Fragment 2: [4*][C@@H](C)c1ccc(Cl)cc1Cl ### Response: C[C@H](NC(=O)N[C@@H](C)c1ccc(Cl)cc1Cl)c1cccs1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1ccc(CNC(=O)c2nnc(CSc3nnc(-c4cccs4)n3C)s2)cc1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a sulfonyl group? CCCN1C(=O)/C(=N\NC(=S)Nc2c(C)cc(C)cc2C)c2ccccc21 ### Response: No
canonicalization
### Instruction: Canonicalize the following SMILES string. [C@@H]1([C@@H](Oc2ccccc2F)CCCC1(C)C)[NH2+]CC ### Response: CC[NH2+][C@H]1[C@@H](Oc2ccccc2F)CCCC1(C)C
ring_counting
### Instruction: Count the six-membered rings in the following molecule. COc1cc(C(=O)N/N=C(\C)c2cccc(N)c2)cc(OC)c1OC ### Response: 2
canonicalization
### Instruction: Canonicalize the following SMILES string. CC(C)(n1c(S[C@@H](C(=O)C2=N[C@H](C)C(C(OC)=O)=C2C)C)nnn1)C ### Response: COC(=O)C1=C(C)C(C(=O)[C@@H](C)Sc2nnnn2C(C)(C)C)=N[C@@H]1C
functional_group
### Instruction: Does the molecule contain a aromatic_ring group? CC(C)[NH+]1CC[C@H](c2cc(CCO)[nH]n2)C1 ### Response: No
functional_group
### Instruction: Does the molecule contain a ester group? CCOC(=O)CCCNc1ncnc2sc3c(c12)CC[C@H](C)C3 ### Response: Yes
ring_counting
### Instruction: Count the five-membered rings in the following molecule. Cc1cccc(C)c1OCC(=O)Nc1nonc1-c1ccc(Br)cc1 ### Response: 1
canonicalization
### Instruction: Canonicalize the following SMILES string. C(=O)(N(C)C[C@H](C(OC)=O)C)[C@@H](C)Cc1c(n[nH]c1C)C ### Response: COC(=O)[C@H](C)CN(C)C(=O)[C@@H](C)Cc1c(C)n[nH]c1C
functional_group
### Instruction: Does the molecule contain a ether group? O[C@@H](C1CCCCCC1)[C@H]1CCO[C@]2(CCOC2)C1 ### Response: Yes
canonicalization
### Instruction: Canonicalize the following SMILES string. c1cc(/C=C/C(=O)Nc2scc(C3CC3)n2)cc(c1)OC ### Response: COc1cccc(/C=C/C(=O)Nc2nc(C3CC3)cs2)c1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. COCc1cc([C@@H](C)NC2CC[NH+]([C@@H]3CCCC[C@@H]3O)CC2)ccc1OC ### Response: 0
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]CC[NH+]([5*])[5*] Fragment 2: [4*]CCC ### Response: CCC[NH+](CCOCC)C1CCC([NH3+])CC1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1(-c2nn(c3c2[C@H](CC(N3)=O)c2c(cc(cc2)OC)OC)-c2ccccc2)ccc(cc1)Cl ### Response: COc1ccc([C@H]2CC(=O)Nc3c2c(-c2ccc(Cl)cc2)nn3-c2ccccc2)c(OC)c1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]CCC Fragment 2: [11*]SC/C([O-])=N/c1nc([14*])n[nH]1 ### Response: CCCSC/C([O-])=N/c1nc(-c2ccc(OC)cc2)n[nH]1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [8*]C(F)(F)F Fragment 2: [1*]C(=O)C([1*])=O ### Response: Cc1ccc(C(F)(F)F)cc1NC(=O)C(=O)NCc1ccc(F)cc1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. O=C(C1=NN([C@H]2CCS(=O)(=O)C2)C(=O)CC1)N1CCO[C@H](c2ccccc2)C1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a phenol group? Cc1ccc(CN(C)C(=O)Nc2cccc(C(=O)N3CCCCC3)c2)s1 ### Response: No
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CCC[NH+]1CCN(C[C@@H]2CCC(C)(C)[C@@H]2[NH2+]C)CC1 ### Response: 3
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*][NH2+][C@H]1CCOc2c(F)cc(Br)cc21 Fragment 2: [4*][C@H](C)CS(C)(=O)=O ### Response: C[C@H](CS(C)(=O)=O)[NH2+][C@H]1CCOc2c(F)cc(Br)cc21
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? CN(C)S(=O)(=O)c1ccc(C(=O)N(Cc2ccccn2)c2nc3c(Cl)cccc3s2)cc1 ### Response: 1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1ccc(NC(=O)NCC(=O)N(C)C)s1 ### Response: 2
functional_group
### Instruction: Does the molecule contain a phenol group? [NH3+]Cc1ccc(C(F)(F)F)nc1OCc1ccco1 ### Response: No
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [16*]c1ccccc1OC Fragment 2: [5*][NH+](CC)CC ### Response: CC[NH+](CC)[C@@](C)(CC)[C@H](O)c1ccccc1OC
ring_counting
### Instruction: Count the six-membered rings in the following molecule. CCC(C)(C)C(=O)NC[C@H](c1cccs1)[NH+]1CCC(C)CC1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a sulfonyl group? Cn1cc(/C=C2\SC(=S)N(c3cccc(C(=O)[O-])c3)C2=O)c2ccccc21 ### Response: No
functional_group
### Instruction: Does the molecule contain a halide group? C[C@@H](c1ccccc1)N(C)C(=O)Nc1cccc(C[NH+](C)C)c1 ### Response: No
ring_counting
### Instruction: Count the five-membered rings in the following molecule. CNS(=O)(=O)c1cccc(C[NH2+][C@H](c2ccccn2)C2CCCC2)c1 ### Response: 1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1ccc2[n+]([O-])c(c(=O)n(c2c1)OCc1cccc(F)c1)-c1cccc(c1)Cl ### Response: O=c1c(-c2cccc(Cl)c2)[n+]([O-])c2ccccc2n1OCc1cccc(F)c1
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]CC([6*])=O Fragment 2: [14*]c1cnccn1 ### Response: C[NH2+][C@H]1CCCN(CC(=O)c2cnccn2)C1
canonicalization
### Instruction: Canonicalize the following SMILES string. c12c(O[C@@H](C2)C)cc(NC(CN2c3c(OCC2=O)cccc3)=O)c(OCC)c1 ### Response: CCOc1cc2c(cc1NC(=O)CN1C(=O)COc3ccccc31)O[C@H](C)C2
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [4*]Cc1ccc(C)cc1 Fragment 2: [7*]Cc1ccccc1 ### Response: CC(=C/c1ccccc1)/C=N/N1CCN(Cc2ccc(C)cc2)CC1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. Clc1ccc2nnn(OC/C=C/c3ccccc3)c2c1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a nitro group? CCCS(=O)(=O)c1ccc(SC[C@@H](C)CCl)cc1 ### Response: No
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1ccc([16*])cc1 Fragment 2: [1*]C(=O)c1ccc([N+](=O)[O-])o1 ### Response: O=C(Nc1ccc(-c2nc3ncccc3o2)cc1)c1ccc([N+](=O)[O-])o1
canonicalization
### Instruction: Canonicalize the following SMILES string. CC(C)(C)OC(=O)C1CCC(CC1)NC([C@@H](c1ccccc1)CC)=O ### Response: CC[C@@H](C(=O)NC1CCC(C(=O)OC(C)(C)C)CC1)c1ccccc1
ring_counting
### Instruction: Count the five-membered rings in the following molecule. COCC[NH+]1CCC[C@H](NC(=O)C(=O)Nc2cc(C)ccc2F)C1 ### Response: 0
ring_counting
### Instruction: Count the six-membered rings in the following molecule. Cc1cccc(CC(=O)NC[C@H](c2ccccc2)[NH+](C)C)c1 ### Response: 2
canonicalization
### Instruction: Canonicalize the following SMILES string. [O-][N+](=O)c1c(NC[C@H](C[NH+]2Cc3c(CC2)cccc3)O)nc2n(cccc2)c1=O ### Response: O=c1c([N+](=O)[O-])c(NC[C@@H](O)C[NH+]2CCc3ccccc3C2)nc2ccccn12
canonicalization
### Instruction: Canonicalize the following SMILES string. C1CC1c1[nH]nc(n1)C(N1CCO[C@H](C1)CC)=O ### Response: CC[C@H]1CN(C(=O)c2n[nH]c(C3CC3)n2)CCO1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? Cc1cc(C[NH+]2CC[C@H](C)C[C@@H]2c2ccc(C)o2)no1 ### Response: 1
functional_group
### Instruction: Does the molecule contain a sulfonyl group? Cc1cc(NC(=O)c2cccc(NS(=O)(=O)c3ccccc3)c2)no1 ### Response: Yes
functional_group
### Instruction: Does the molecule contain a amide group? CCn1ccnc1CN1CCCN(C(=O)[C@@H]2CC=CCC2)CC1 ### Response: Yes
canonicalization
### Instruction: Canonicalize the following SMILES string. c1cc2[C@@H](NC(=O)NC[C@H](c3cn(nc3)C)O)C[C@H]3c2c(CCC3)c1 ### Response: Cn1cc([C@H](O)CNC(=O)N[C@H]2C[C@@H]3CCCc4cccc2c43)cn1
canonicalization
### Instruction: Canonicalize the following SMILES string. c1c(c(C)c(cc1C#N)[N+]([O-])=O)N[C@H](CO)c1ccccc1F ### Response: Cc1c(N[C@H](CO)c2ccccc2F)cc(C#N)cc1[N+](=O)[O-]
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [5*]Nc1ccc(F)c(C#N)c1F Fragment 2: [1*]C(=O)N[5*] ### Response: N#Cc1c(F)ccc(NC(=O)Nc2ccc(Cl)cc2)c1F
functional_group
### Instruction: Does the molecule contain a nitrile group? O=C(Nc1cccc(S(=O)(=O)/N=C2/CCCN2)c1)C1=Cc2ccccc2OC1 ### Response: No
functional_group
### Instruction: Does the molecule contain a amide group? O=C(NCCCn1cc(C(=O)N2CCCC2)nn1)c1ccc(Cl)cc1 ### Response: Yes
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [9*]n1cc([16*])cn1 Fragment 2: [5*]Nc1cnn([9*])c1 ### Response: COC(=O)[C@H]1CCCCC[C@@H]1NC(=O)Nc1cnn(C(C)C)c1
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? [NH3+][C@@H]1C[C@@H]1c1cccc2ccccc12 ### Response: 0
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)c1ccccc1Cl Fragment 2: [14*]c1cccs1 ### Response: O=C(NCC1(c2cccs2)CCOCC1)c1ccccc1Cl
fragment_assembly
### Instruction: Assemble these two molecular fragments into a single molecule. Fragment 1: [1*]C(=O)C([1*])=O Fragment 2: [5*]NC1CCC(C)(C)CC1 ### Response: Cc1nn(C)c2ncc(NC(=O)C(=O)NC3CCC(C)(C)CC3)cc12
chain_length
### Instruction: What is the length of the longest acyclic carbon chain in the molecule? COc1ccc(-c2nc(CNC(=O)N[C@@H]3C[C@](C)(OC)C3(C)C)n[nH]2)cc1 ### Response: 1