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

The molecule is a member of the class of ergot alkaloids that is known to act on serotonin and dopamine receptors. It has a role as an antiparkinson drug, a dopamine agonist and a serotonergic antagonist. It is an ergot alkaloid and a member of sulfamides. It derives from a hydride of an ergoline.

SMILES: CN1CC(NS(=O)(=O)N(C)C)CC2c3cccc4c3c(cn4C)CC21
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][C][=N][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][=C][Ring1][=Branch2]

The molecule is a monocarboxylic acid anion that is the conjugate base of 1-methyl-4-imidazoleacetic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a 1-methyl-4-imidazoleacetic acid.

SMILES: Cn1cnc(CC(=O)[O-])c1
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][=C][C][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][O][C@H1][Branch2][Ring1][Ring1][C][=C][C][Branch1][C][O][=C][Branch1][C][O][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2][C@@H1][Branch1][C][C][C@@H1][Branch1][C][C][C][Ring2][Ring1][Branch1]

The molecule is a lignan that is 1,2,3,4-tetrahydronaphthalene substituted by methyl groups at positions 2 and 3, a methoxy group at position 6, a hydroxy group at position 7 and a 3,4-dihydroxy-5-methoxyphenyl group at position 1. It has been isolated from the bark of Machilus robusta. It has a role as a plant metabolite. It is a lignan, a member of tetralins, a member of catechols and a member of guaiacols.

SMILES: COc1cc2c(cc1O)C(c1cc(O)c(O)c(OC)c1)C(C)C(C)C2
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][Branch2][#Branch1][=Branch2][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][C@H1][C][C][C@H1][C@@H1][C@H1][Branch1][C][O][C][C@@H1][C][C@H1][Branch1][C][O][C][C][C@][Ring1][#Branch1][Branch1][C][C][C@H1][Ring1][=N][C][C][C@][Ring2][Ring1][Ring2][Ring1][P][C]

The molecule is a steroidal acyl-CoA(4-) resulting from the removal of all four protons from the phosphate groups of chenodeoxycholoyl-CoA. Major species at pH 7.3. It is a steroidal acyl-CoA(4-) and a 3alpha-hydroxy bile acid CoA thioester(4-). It is a conjugate base of a chenodeoxycholoyl-CoA.

SMILES: CC(CCC(=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-])C1CCC2C3C(O)CC4CC(O)CCC4(C)C3CCC12C
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][O][C@@H1][Ring1][Ring1][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a 17,18-EETeTr(1-) in which the epoxy group has (17R,18S)-configuration. It is a 17,18-EETeTr(1-) and an EpETE(1-). It is a conjugate base of a 17(R),18(S)-EETeTr.

SMILES: CCC1OC1CC=CCC=CCC=CCC=CCCCC(=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][Branch1][=N][O][N][C][=Branch1][C][=O][C][C][C][Ring1][=Branch1][=O][C][C][C][N][Branch2][=Branch1][Ring1][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=Branch1][=C][=N+1][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][=Branch2][C][=C][Ring1][#C][O][C][=C][C][Branch1][=C][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][=Branch2][=C][C][=C][Ring2][Ring1][S][Ring1][#C][C][C][Ring2][Ring2][#C].[Cl-1]

The molecule is an organic chloride salt and a xanthene dye. It has a role as a fluorochrome. It contains a QSY21 succinimidyl ester(1+).

SMILES: O=C(ON1C(=O)CCC1=O)C1CCN(S(=O)(=O)c2ccccc2-c2c3ccc(=[N+]4Cc5ccccc5C4)cc-3oc3cc(N4Cc5ccccc5C4)ccc23)CC1.[Cl-]
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][Branch1][#Branch2][N][C][C][C][N][C][C][Ring1][=Branch1][C][NH1][N][=C][C][=Ring1][Branch1][N][C][=Branch1][C][=O][C][=C][Branch1][C][F][C][=C][C][=C][Ring1][#Branch1][F]

The molecule is a member of the class of pryrazoles that is 4-amino-1H-pyrazole-3-carboxylic acid in which the primary amino group has been acylated by a 2,6-difluorobenzoyl group and in which the carboxylic acid has been converted to a carboxamide by formal condensation with the primary amino group of 4-aminopiperidine. It is a CDK1, CDK2 and CDK17 kinase inhibitor. It has a role as an EC 2.7.11.22 (cyclin-dependent kinase) inhibitor. It is a member of piperidines, a member of pyrazoles, a secondary carboxamide and a difluorobenzene.

SMILES: O=C(NC1CCNCC1)c1[nH]ncc1NC(=O)c1c(F)cccc1F
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][C][Branch1][C][C][C][=Branch1][C][=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][=C][Branch1][C][C][/C][=C][/C][=C][Branch1][C][C][/C][=C][/C][=C][Branch1][C][C][/C][=C][/C][Branch1][C][O][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][O][C]

The molecule is a carotenoid ether that is spirilloxanthin carrying an oxo group at position 2 as well as two hydroxy group, both at position 2'. It is a carotenoid ether, a carotenone, a carotenol and a ketone hydrate. It derives from a spirilloxanthin.

SMILES: COC(C)(C)C(=O)C=CC(C)=CC=CC(C)=CC=CC(C)=CC=CC=C(C)C=CC=C(C)C=CC=C(C)C=CC(O)(O)C(C)(C)OC
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][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][C][N][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C@H1][Ring1][P][S][C][Ring2][Ring1][Branch2]

The molecule is a cephalosporin bearing methyl and (2R)-2-amino-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. It has a role as an antibacterial drug. It is a conjugate acid of a cefadroxil(1-).

SMILES: CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(N)c3ccc(O)cc3)C2SC1
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][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@H1][Branch2][=Branch1][=Branch1][O][C@@H1][C@@H1][Branch2][Ring2][P][O][C][C@H1][O][C@H1][Branch2][Ring1][N][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][C][N][C@H1][Branch1][=Branch2][O][C][C][C][C][C][C][S][O][C@@H1][Ring1][S][C][O][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][O][O][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][#Branch1][O][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][P][O]

The molecule is a linear tetrasaccharide derivative consisting of a 6-O-[(2-aminoethoxy)(hydroxy)phosphoryl-alpha-D-mannose residue, two alpha-D-mannose residues and one beta-D-glucosamine residue, linked sequentially (1->2), (1->6) and (1->4), with the glucosamine residue linked glycosidically to a 6-sulfanylhexyl group. It is a tetrasaccharide derivative and a glycoside.

SMILES: NCCOP(=O)(O)OCC1OC(OC2C(OCC3OC(OC4C(CO)OC(OCCCCCCS)C(N)C4O)C(O)C(O)C3O)OC(CO)C(O)C2O)C(O)C(O)C1O
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][Branch1][C][NH3+1][C][=Branch1][C][=O][N][C@H1][Branch1][Ring1][C][O][C][=Branch1][C][=O][O-1]

The molecule is zwitterionic form of D-alanyl-D-serine arising from migration of a proton from the OH of the carboxy terminus to the amino terminus. It is a tautomer of a D-alanyl-D-serine.

SMILES: CC([NH3+])C(=O)NC(CO)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>

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

The molecule is a steroid saponin that is (5alpha,6alpha,22R,25S)-6,22,26-trihydroxyfurostan-3-one in which the hydroxy group at position 6 has been converted into the beta-D-glucopyranosyl-(1->3)-alpha-L-rhamnoside derivative, while that at position 26 has been converted to its beta-D-glucoside. Torvoside H is a natural product found in the fruit of Solanum torvum which shows antiviral activity against herpes simplex virus type 1. It has a role as a metabolite and an antiviral agent. It is a steroid saponin, a disaccharide derivative, a cyclic hemiketal, a pentacyclic triterpenoid and a 3-oxo-5alpha-steroid.

SMILES: CC(CCC1(O)OC2CC3C4CC(OC5OC(C)C(O)C(OC6OC(C)C(O)C(O)C6O)C5O)C5CC(=O)CCC5(C)C4CCC3(C)C2C1C)COC1OC(CO)C(O)C(O)C1O
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][=Branch1][C][=O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][N][=O]

The molecule is a member of the class of tetralins that is tetralin in which oxo groups replace the hydrogens at positions 1, 2, 3, and 4. It is a member of tetralins and an aromatic ketone.

SMILES: O=c1c(=O)c(=O)c2ccccc2c1=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][C][C][C@][Branch1][C][C][C][C][=C][C@][Branch1][C][C][C][C][C@H1][C][Branch1][C][C][Branch1][C][C][C@@H1][Branch1][C][O][C][C][C@][Ring1][=Branch2][Branch1][C][C][C@H1][Ring1][#C][C][C][C@@][Ring2][Ring1][Ring1][Branch1][C][C][C@@H1][Ring2][Ring1][=Branch2][C][Ring2][Ring1][=C]

The molecule is a pentacyclic triterpenoid that is oleanan-3-ol lacking the methyl group at position 14, with an alpha-methyl substituent at position 13 and a double bond between positions 14 and 15. It has a role as a metabolite. It is a pentacyclic triterpenoid and a secondary alcohol.

SMILES: CC1(C)CCC2(C)CC=C3C(C)(CCC4C3(C)CCC3C(C)(C)C(O)CCC43C)C2C1
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][O][C][C@@H1][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C]

The molecule is a lysophosphatidylcholine 16:0 in which a hexadecanoyl (palmitoyl) group is attached to the glycero moiety at position 1. It has a role as a mouse metabolite. It is a lysophosphatidylcholine 16:0 and a 1-O-acyl-sn-glycero-3-phosphocholine.

SMILES: CCCCCCCCCCCCCCCC(=O)OCC(O)COP(=O)([O-])OCC[N+](C)(C)C
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][N][=C][NH1][C][=Ring1][Branch1][C][=Branch1][C][=O][O]

The molecule is an imidazole-4-carboxylic acid compound having an amino substituent at the 5-position. It is an imidazole-4-carboxylic acid and an aminoimidazole.

SMILES: Nc1nc[nH]c1C(=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][Branch1][C][C][Branch1][C][C][C][=C][C][Branch1][C][O][=C][O][C][=C][Branch1][N][C][=C][C][C][=C][O][C][=Ring1][Branch1][Ring1][=Branch2][C][=Branch1][C][=O][C][Ring1][=C][=C][Ring2][Ring1][Ring1][O]

The molecule is an organic heteropentacyclic compound that is 6H-furo[3,2-c]xanthen-6-one substituted by hydroxy groups at positions 7 and 10 and a 2-methylbut-3-en-2-yl group at position 8. Isolated from the woods of Garcinia subelliptica, it exhibits antioxidant activity. It has a role as a metabolite and an antioxidant. It is a cyclic ether, a cyclic ketone, an organic heterotetracyclic compound and a polyphenol.

SMILES: C=CC(C)(C)c1cc(O)c2oc3c(ccc4ccoc43)c(=O)c2c1O