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>

[O][=C][Branch1][C][O-1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][C][=C][C][=C][Ring1][#Branch2][Ring1][=Branch1]

The molecule is a monocarboxylic acid anion that is the conjugate base of naptalam; major species at pH 7.3. It is a conjugate base of a naptalam.

SMILES: O=C([O-])c1ccccc1C(=O)Nc1cccc2ccccc12
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][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O][C][=C][Ring1][#Branch2]

The molecule is a member of the class dodecylbenzenesulfonic acids that is benzenesulfonic acid in which the hydrogen at position 4 of the phenyl ring is substituted by a dodecyl group.

SMILES: CCCCCCCCCCCCc1ccc(S(=O)(=O)O)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][Branch1][C][C][Branch2][Branch1][=Branch2][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][Branch1][C][O][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][N][C][C][S][C][=Branch1][C][=O][C][=C][Branch1][C][N][C][C][C][=Branch1][C][=O][C][Ring1][Branch2]

The molecule is an acyl-CoA(4-) species arising from deprotonation of the phosphate and diphosphate OH groups of 2-amino-5-oxocyclohex-1-enecarbonyl-CoA; major species at pH 7.3. It is a conjugate base of a 2-amino-5-oxocyclohex-1-enecarbonyl-CoA.

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)C1=C(N)CCC(=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][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][Branch1][C][O][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C]

The molecule is an N-acyllysophosphatidylethanolamine in which both the N- and O-acyl group are specified as oleoyl (9Z-octadecenoyl). It derives from an oleic acid. It is a conjugate acid of a N,1-dioleoyl-sn-glycero-3-phosphoethanolamine(1-).

SMILES: CCCCCCCCC=CCCCCCCCC(=O)NCCOP(=O)(O)OCC(O)COC(=O)CCCCCCCC=CCCCCCCCC
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][N][Branch2][Ring1][Branch2][C@@H1][O][C@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][C][O][C@H1][Ring1][N][O][C][=Branch1][C][=O][N][=Ring2][Ring1][Ring2].[Na+1].[Na+1]

The molecule is an organic sodium salt that is the disodium salt of CMP. It has a role as a human metabolite. It contains a cytidine 5'-monophosphate(2-).

SMILES: Nc1ccn(C2OC(COP(=O)([O-])[O-])C(O)C2O)c(=O)n1.[Na+].[Na+]
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][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O]

The molecule is an N-acylglycine with an acyl group that is tridecanoyl. It has a role as a metabolite. It is a N-acylglycine and a fatty amide. It derives from a glycine and a tridecanoic acid.

SMILES: CCCCCCCCCCCCC(=O)NCC(=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@@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C][=Branch1][C][=O][O-1]

The molecule is an O-phosphonatooxyserine(2-) that is the conjugate base of O-phospho-L-serine. It has a role as an Escherichia coli metabolite, a Saccharomyces cerevisiae metabolite and a human metabolite. It is a conjugate base of an O-phospho-L-serine.

SMILES: [NH3+]C(COP(=O)([O-])[O-])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][=Branch2][Ring1][S][=C][\C][=Branch1][C][=O][O][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C][=C][S][S][C][=C][Ring1][Branch1][NH1][C][Ring1][Branch2][=O][C@@H1][Branch1][C][O][C@@H1][O][C][C@H1][Branch1][=N][C][/C][=C][/C@@H1][Branch1][C][C][C@H1][Branch1][C][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][#C][O]

The molecule is an organosulfur heterocyclic compound produced by a marine bacterium Alteromonas rava and has been shown to exhibit antibacterial activity against Gram-positive and Gram-negative bacteria. It has a role as an antimicrobial agent, a bacterial metabolite, an antibacterial agent and a marine metabolite. It is an organosulfur heterocyclic compound, a lactam, an enoate ester and a cyclic ether.

SMILES: CC(=CC(=O)OCCCCCCCC(=O)Nc1c2sscc-2[nH]c1=O)C(O)C1OCC(CC=CC(C)C(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][P][Branch1][C][O][O]

The molecule is a phosphorus oxoacid. It is a conjugate acid of a dihydrogenphosphite. It is a tautomer of a phosphonic acid.

SMILES: OP(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][=Branch1][C][=O][N][C][=C][C][=C][Branch1][C][O][C][Branch1][P][S][C][C@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C][=Branch1][C][=O][O-1][=C][Ring1][P]

The molecule is an S-substituted N-acetyl-L-cysteine that is the conjugate base of S-(5-acetamido-2-hydroxyphenyl)-N-acetyl-L-cysteine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It has a role as a drug metabolite. It is a conjugate base of a S-(5-acetamido-2-hydroxyphenyl)-N-acetyl-L-cysteine.

SMILES: CC(=O)Nc1ccc(O)c(SCC(NC(C)=O)C(=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][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][O][P][=Branch1][C][=O][Branch1][C][O][O][C][O][C][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O]

The molecule is a dolichol phosphate and a polyprenyl glycosyl phosphate. It is a conjugate acid of a dolichyl D-xylosyl phosphate(1-).

SMILES: CC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)CCOP(=O)(O)OC1OCC(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][C][C][C][/C][=C][\C][C@@H1][O][C@@H1][Ring1][Ring1][C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1]

The molecule is an 11,12-EET(1-) that is the conjugate base of (11R,12S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of an (11R,12S)-EET. It is an enantiomer of an (11S,12R)-EET(1-).

SMILES: CCCCCC=CCC1OC1CC=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>

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

The molecule is a zwitterion resulting from the transfer of a proton from the sulfooxy group to one of the nitrogens of the guanidine group of cylindrospermopsin. It has a role as a cyanotoxin. It is a tautomer of a cylindrospermopsin.

SMILES: CC1C(OS(=O)(=O)[O-])CC2CC(C(O)c3cc(=O)[nH]c(=O)[nH]3)NC3=[N+]2C1CN3
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][O][C@@H1][Branch1][S][C][C][C][C][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C][C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2]

The molecule is a diarylheptanoid that is heptane substituted by an acetoxy group at position 3, a 3,4-dihydroxyphenyl group at position 1 and a 4-hydroxyphenyl group at position 7 (the 3S-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 an acetate ester.

SMILES: CC(=O)OC(CCCCc1ccc(O)cc1)CCc1ccc(O)c(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][C@@H1][C][C][C@@H1][C@@H1][Branch2][Ring1][C][C][C][C@@H1][Branch1][C][O][C][C@@H1][Branch1][C][O][C][C][=Branch1][C][=O][O-1][C@@H1][Branch1][C][C][C][=C][C@H1][Ring2][Ring1][C][C][Ring2][Ring1][=Branch1]

The molecule is a hydroxy monocarboxylic acid anion that is the conjugate base of dihydromonacolin L acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a dihydromonacolin L acid.

SMILES: CC1CCC2C(C=CC(C)C2CCC(O)CC(O)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][C][C][C][C][C][=Branch1][C][=O][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C]

The molecule is an acylcholine with an acyl group that is hexanoyl. It has a role as a metabolite. It derives from a hexanoic acid.

SMILES: CCCCCC(=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>

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

The molecule is a member of the class of xanthones that is 9H-xanthen-9-one substituted by hydroxy groups at positions 3, 4, 6 and 8 and prenyl groups at positions 1, 2 and 5. Isolated from Garcinia xanthochymus, it exhibits enhancement of nerve growth factor-mediated neurite outgrowth in PC12D cells. It has a role as a metabolite and a nerve growth factor stimulator. It is a member of xanthones and a member of phenols.

SMILES: CC(C)=CCc1c(O)c(O)c2oc3c(CC=C(C)C)c(O)cc(O)c3c(=O)c2c1CC=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>

[O][P][Branch1][C][O][=Branch1][C][=S][S]

The molecule is a phosphorothioic acid that is the phosphoric acid having two of its oxygen atoms replaced by sulfur atoms. It is a conjugate acid of a dithiophosphate(2-).

SMILES: OP(O)(=S)S
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][N][=C][N][Branch1][O][C][=Branch1][C][=O][C][Ring1][#Branch1][=C][Ring1][O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][C][C@@H1][Ring2][Ring1][Ring1][Ring1][Branch1]

The molecule is an organic heteropentacyclic compound that is 5b,7,8,16-tetrahydro-6H,10H-pyrrolo[2,1-c]quinazolino[3,2-a][1,4]benzodiazepine substituted by a methoxy group at position 2 and oxo groups at positions 10 and 16 (the 5bS stereoisomer). An alkaloid isolated from the culture broth of Aspergillus ochraceus, it exhibits potent inhibitory activity towards mitochondrial NADH oxidase. It has a role as a metabolite, an EC 1.6.* (oxidoreductase acting on NADH or NADPH) inhibitor and an Aspergillus metabolite. It is an alkaloid, an organic heteropentacyclic compound, an aromatic ether and a lactam.

SMILES: COc1ccc2nc3n(c(=O)c2c1)-c1ccccc1C(=O)N1CCCC31