guojianz/MolReasoner huggingface dataset:
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][=C][C][=C][Branch2][Ring1][N][S][=Branch1][C][=O][=Branch1][C][=O][N][C][C][Branch1][Branch2][C][N][C][C][C][Ring1][Ring2][C][=C][C][=C][N][=C][Ring1][=Branch1][C][=C][Ring2][Ring1][#Branch1]

The molecule is a member of the class of azetidines that is propylazetidine substituted by a 3-pyridyl group position 2 and a 4-toluenesulfonamido group at position 3. It is a member of azetidines, a member of pyridines and a sulfonamide.

SMILES: Cc1ccc(S(=O)(=O)NCC(CN2CCC2)c2cccnc2)cc1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C@H1][Branch1][Ring1][C][O][N][C][=N][C][Branch2][Ring1][Ring2][N][C][=C][C][=C][C][Branch1][=Branch2][C][=C][C][=C][C][=N][Ring1][=Branch1][=C][Ring1][N][=C][N][=C][N][Branch1][=Branch1][C][Branch1][C][C][C][C][Ring1][Branch2][=N][Ring2][Ring1][=Branch2].[Cl].[O]

The molecule is a hydrochloride and hydrate of DRF053, an analogue (and more potent version) of roscovitine - it is 2 fold more potent against cyclin dependent kinase 5 (CDK5) and >150 times more potent against CDK1. Formula C23H27N7O.xHCl.yH2O. It has a role as an EC 2.7.11.22 (cyclin-dependent kinase) inhibitor. It is a hydrochloride and a hydrate. It contains a (R)-DRF053.

SMILES: CCC(CO)Nc1nc(Nc2cccc(-c3ccccn3)c2)c2ncn(C(C)C)c2n1.Cl.O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[O][C][=C][C][=C][Branch2][Ring1][=Branch2][/C][=C][/C][C][C@@H1][Branch1][C][O][C][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][C][=C][Ring2][Ring1][=Branch1]

The molecule is a diarylheptanoid that is (6E)-6-hepten-3-ol substituted by a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 (the 3R-stereoisomer). It has been isolated from the rhizomes of Curcuma kwangsiensis. It has a role as a plant metabolite. It is a diarylheptanoid, a member of catechols and a secondary alcohol.

SMILES: Oc1ccc(C=CCCC(O)CCc2ccc(O)c(O)c2)cc1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[O][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][C][C][=C][C][=C][Branch1][O][C][=C][Ring1][=Branch1][O][C][Ring1][=C][Ring1][=Branch2][O][C][O][Ring1][=Branch2]

The molecule is a member of the class of ptercoarpans that is cis-pterocarpan substituted by a hydroxy group at position 3 and a methylenedioxy group across positions 8 and 9. It is a member of pterocarpans and a member of phenols.

SMILES: Oc1ccc2c(c1)OCC1c3cc4c(cc3OC21)OCO4
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][O][C][=Branch1][C][=O][N][C][Branch1][C][N][=O]

The molecule is a carbamate ester obatined by the formal condensation of urea-1-carboxylic acid with methanol. It has a role as a metabolite. It is a member of ureas and a carbamate ester. It derives from a urea-1-carboxylic acid.

SMILES: COC(=O)NC(N)=O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[N][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a primary arylamine in which an amino functional group is substituted for one of the benzene hydrogens. It is a primary arylamine and a member of anilines.

SMILES: Nc1ccccc1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][/C][=C][\C][C@@H1][C][=Branch1][C][=O][C][=C][C@@H1][Ring1][=Branch1][C][C][C][C][C][C][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]

The molecule is a fatty acyl-CoA(4-) that is the tetraanion of (15Z)-12-oxophyto-10,15-dienoyl-CoA, arising from deprotonation of phosphate and diphosphate functions; major species at pH 7.3. It is a conjugate base of a (15Z)-12-oxophyto-10,15-dienoyl-CoA.

SMILES: CCC=CCC1C(=O)C=CC1CCCCCCCC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)([O-])OP(=O)([O-])OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)([O-])[O-]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C@H1][C][C][C@][Branch1][Branch1][N][C][Ring1][=Branch1][O][C@H1][C][C@H1][C@@H1][C][C][C@H1][C][C@@H1][Branch2][=Branch1][=N][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch2][Branch1][Branch2][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][P][O][C@@H1][O][C][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C@H1][Ring2][Ring1][Ring1][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring2][=Branch2][O][C][C][C@][Ring2][Ring2][P][Branch1][C][C][C@H1][Ring2][Branch1][=Branch1][C][C][C@][Ring2][Branch1][#Branch2][Branch1][C][C][C@H1][Ring2][Branch1][=C][C@@H1][Ring2][=Branch1][Ring1][C]

The molecule is a steroid alkaloid that is tomatidine in which the hydroxy group at position 3 is linked to lycotetraose, a tetrasaccharide composed of two units of D-glucose, one unit of D-xylose, and one unit of D-galactose. It has a role as an immunological adjuvant, a phytotoxin and an antifungal agent. It is a steroid alkaloid, a tetrasaccharide derivative, an alkaloid antibiotic and a glycoside. It derives from a tomatidine.

SMILES: CC1CCC2(NC1)OC1CC3C4CCC5CC(OC6OC(CO)C(OC7OC(CO)C(O)C(OC8OCC(O)C(O)C8O)C7OC7OC(CO)C(O)C(O)C7O)C(O)C6O)CCC5(C)C4CCC3(C)C1C2C
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O-1]

The molecule is an unsaturated fatty acid anion resulting from the deprotonation of the carboxy group of trans-2-decenoic acid. The major species at pH 7.3. It is a conjugate base of a trans-2-decenoic acid.

SMILES: CCCCCCCC=CC(=O)[O-]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Ring2][Branch2][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch2][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][=C][O][O][C][=Branch1][C][=O][C][C][C][C][C][C][C]

The molecule is a 1-phosphatidyl-1D-myo-inositol 5-phosphate(3-) arising from deprotonation of the phosphate OH groups of 1,2-dioctanoyl-sn-glycero-3-phospho-(1'D-myo-inositol-5'-phosphate); major species at pH 7.3. It is a conjugate base of a 1,2-dioctanoyl-sn-glycero-3-phospho-(1'-myo-inositol-5'-phosphate).

SMILES: CCCCCCCC(=O)OCC(COP(=O)([O-])OC1C(O)C(O)C(O)C(OP(=O)([O-])[O-])C1O)OC(=O)CCCCCCC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][=Branch1][C][=O][N][C@H1][C@H1][Branch2][=Branch1][#Branch1][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][O][O][C@H1][Branch2][Ring2][=N][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][C][Branch1][C][C][C][C][/C][=C][Branch1][C][/C][C][C][/C][=C][Branch1][C][\C][C][C][/C][=C][Branch1][C][\C][C][C][C][C][Branch1][C][C][C][C@@H1][Ring2][Ring2][#Branch1][N][C][Branch1][C][C][=O][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch1][C][O][C@@H1][Ring2][Branch1][=Branch1][N][C][Branch1][C][C][=O]

The molecule is an organophosphate oxoanion obtained by deprotonation of the phosphate group of any archaeal dolichyl 3-O-(2,3-diacetamido-2,3-dideoxy- beta-D-glucuronsyl)-N-acetyl- alpha-D-glucosaminyl phosphate; major species at pH 7.3. It derives from an archaeal dolichol.

SMILES: CC(=O)NC1C(OC2C(O)C(CO)OC(OP(=O)([O-])OCCC(C)CCC=C(C)CCC=C(C)CCC=C(C)CCCC(C)C)C2NC(C)=O)OC(C(=O)[O-])C(O)C1NC(C)=O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][Branch1][C][C][Branch2][Branch1][=Branch2][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O][P][=Branch1][C][=O][Branch1][C][O][O][C@@H1][Branch1][C][O][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][N][C][C][S][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is an acyl-CoA having (R)-phenyllactoyl as the S-acyl group. It derives from a coenzyme A. It is a conjugate acid of a (R)-phenyllactoyl-CoA(4-).

SMILES: CC(C)(COP(=O)(O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)(O)O)C(O)C(=O)NCCC(=O)NCCSC(=O)C(O)Cc1ccccc1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][N+1][Branch1][C][C][Branch1][C][C][C][C][C][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is an alpha-amino-acid cation that is the N(6)-trimethyl derivative of L-lysine. It has a role as a human metabolite and a mouse metabolite. It is a tautomer of a N(6),N(6),N(6)-trimethyl-L-lysine zwitterion.

SMILES: C[N+](C)(C)CCCCC(N)C(=O)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[NH3+1][C][C][C][C][C@@H1][N][C][=Branch1][C][=O][C@@H1][Branch1][#C][C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@@H1][C][C@@H1][Branch1][#Branch2][O][C][=Branch1][C][=O][N][C][C][NH3+1][C][N][Ring1][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch2][Ring1][=Branch1][C][C][=C][C][=C][Branch1][O][O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][=C][N][C][Ring2][=Branch1][#Branch1][=O]

The molecule is a cyclic peptide cation obtained by protonation of the two side-chain primary amino groups of pasireotide. It is a conjugate acid of a pasireotide.

SMILES: [NH3+]CCCCC1NC(=O)C(Cc2c[nH]c3ccccc23)NC(=O)C(c2ccccc2)NC(=O)C2CC(OC(=O)NCC[NH3+])CN2C(=O)C(Cc2ccccc2)NC(=O)C(Cc2ccc(OCc3ccccc3)cc2)NC1=O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][C][C][C][C][/C][=C][\C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]

The molecule is a polyunsaturated fatty acyl-CoA(4-) obtained by deprotonation of the phosphate and diphosphate OH groups of (2E,9Z)-hexadecadienoyl-CoA; major species at pH 7.3. It is a polyunsaturated fatty acyl-CoA(4-) and a 2,3-trans-enoyl CoA(4-). It is a conjugate base of a (2E,9Z)-hexadecadienoyl-CoA.

SMILES: CCCCCCC=CCCCCCC=CC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)([O-])OP(=O)([O-])OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)([O-])[O-]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[O][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch2][Branch1][#C][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch2][Ring2][#Branch2][O][C@@H1][O][C@H1][Branch2][Ring1][=Branch1][C][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][Branch1][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][S][O][C@@H1][Branch1][C][O][C][O]

The molecule is a tetrasaccharide consisting of three beta-D-galactopyranosyl residues and an L-mannitol group joined in sequence by (1->6), (1->4) and (1->3) glycosidic linkages. It is an oligosaccharide and a tetrasaccharide.

SMILES: OCC(O)C(O)C(OC1OC(CO)C(OC2OC(COC3OC(CO)C(O)C(O)C3O)C(O)C(O)C2O)C(O)C1O)C(O)CO
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

Please provide a step-by-step analysis explaining how you interpret the molecular structure, identify key features and functional groups, and summarize it into a clear and informative description.

Think step by step, and your final answer **must** be returned in the format: <answer> ... </answer>. For example:
<answer>The molecule is an epoxy(hydroxy)icosatrienoate that is the conjugate base of 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an 11-hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid.</answer>

[C][C][=C][C@H1][Branch2][Ring1][P][O][/C][=C][/C][=Branch1][C][=O][O][C@@H1][C][=C][Branch1][#Branch1][C][C@H1][Ring1][=Branch2][Ring1][Branch1][C@@H1][Branch1][C][O][C][C][C][Ring1][=Branch2][Branch1][C][C][C][O][C][Ring2][Ring1][#Branch1][=O]

The molecule is a strigolactone in which the tricyclic lactone moiety bears a hydroxy substitutuent at the position para to the gem-dimethyl group. It is a strigolactone, a secondary alcohol and an indenofuran.

SMILES: CC1=CC(OC=C2C(=O)OC3C4=C(CC23)C(O)CCC4(C)C)OC1=O