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][C][C][C][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O]

The molecule is a polyunsaturated fatty acid that is arachidonic acid substituted at position 20 by an oxo group. It is a long-chain fatty acid, a polyunsaturated fatty acid and an omega-oxo fatty acid. It derives from an arachidonic acid. It is a conjugate acid of a 20-oxoarachidonate.

SMILES: O=CCCCCC=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][=S][=Branch1][C][=O][Branch1][C][O][O][C@@H1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C][Branch1][C][O][O][C@@H1][Ring1][=Branch2][C][O]

The molecule is a monosaccharide sulfate that is D-galactose carrying a single sulfo substituent at position 4. It derives from a D-galactopyranose.

SMILES: O=S(=O)(O)OC1C(CO)OC(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][/NH1+1][=C][Branch2][#Branch1][=C][/C][=C][\N][/C][=Branch2][Branch1][S][=C][Branch1][C][/C][C][=NH1+1][C@@][Branch1][C][C][Branch2][Ring1][N][C@@H1][NH1+1][=C][Ring1][P][C@][Branch1][C][C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C@H1][Ring1][O][C][C][=Branch1][C][=O][O-1][C@@][Branch1][C][C][Branch1][#Branch1][C][C][Branch1][C][N][=O][C@@H1][Ring2][Ring1][#Branch2][C][C][C][=Branch1][C][=O][O-1][C@@][Branch1][C][C][Branch1][#Branch1][C][C][Branch1][C][N][=O][C@@H1][Ring2][Ring2][O][C][C][C][=Branch1][C][=O][O-1][C][Branch1][C][C][Branch1][C][C][C@@H1][Ring2][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1]

The molecule is a precorrin carboxylic acid anion that is the dianionic form of hydrogenobyrinic acid a,c-diamide. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.). It is a conjugate base of a hydrogenobyrinic acid a,c-diamide. It is a conjugate acid of a hydrogenobyrinic acid a,c-diamide(4-).

SMILES: CC1=C2[NH+]=C(C=C3NC(=C(C)C4=[NH+]C(C)(C5[NH+]=C1C(C)(CCC(=O)[O-])C5CC(=O)[O-])C(C)(CC(N)=O)C4CCC(=O)[O-])C(C)(CC(N)=O)C3CCC(=O)[O-])C(C)(C)C2CCC(=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][C][O][C@H1][O][C][Branch1][C][O][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O]

The molecule is the furanose form of D-fructuronic acid. It derives from a D-fructofuranose. It is a conjugate acid of a D-fructofuranuronate.

SMILES: O=C(O)C1OC(O)(CO)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>

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

The molecule is a propanal having an amino substituent at the 3-position It is an omega-aminoaldehyde and a member of propanals. It is a conjugate base of a 3-ammoniopropanal.

SMILES: NCCC=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][O][C][C@H1][Branch1][=C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C][N][O][C][Branch1][C][C][=O]

The molecule is a 2-acyl-1-alkyl-sn-glycero-3-phosphoethanolamine in which the alkyl and the acyl groups at positions 1 and 2 are specified as hexadecyl and acetyl respectively. It derives from an acetic acid. It is a tautomer of a 1-hexadecyl-2-acetyl-sn-glycero-3-phosphoethanolamine zwitterion.

SMILES: CCCCCCCCCCCCCCCCOCC(COP(=O)(O)OCCN)OC(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][O][C][=C][C][=C][C][Branch2][Ring2][=Branch1][C][C][N][Branch1][C][C][C][C][C][C][Branch1][Ring1][C][#N][Branch1][P][C][=C][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2][C][Branch1][C][C][C][=C][Ring2][Ring1][=N]

The molecule is a nitrile that acts as an L-type calcium channel blocker. It has a role as a calcium channel blocker, an anti-arrhythmia drug and a vasodilator agent. It is an aromatic ether, a nitrile and a tertiary amino compound.

SMILES: COc1cccc(CCN(C)CCCC(C#N)(c2ccc(OC)c(OC)c2)C(C)C)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][Branch1][C][O][=C][C][=C][Ring1][#Branch1][C@@H1][C][O][C][=C][C][Branch1][C][O][=C][C][=C][Ring1][#Branch1][C@H1][Ring1][O][O]

The molecule is a member of the class of isoflavans that is isoflavan with hydroxy substituents at positions 4, 7 and 4' and a methoxy group at position 2 (the 3R,4S stereoisomer). It is isolated from Caragana conferta and exhibits significant anti-inflammatory activity in the respiratory burst assay. It has a role as a metabolite and an anti-inflammatory agent. It is a secondary alcohol, a monomethoxybenzene and a member of hydroxyisoflavans.

SMILES: COc1cc(O)ccc1C1COc2cc(O)ccc2C1O
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@@H1][C][=C][C][=C][Branch2][Ring1][Branch2][O][C@@H1][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][O][O][C][=C][Ring2][Ring1][Ring1][C][C][C@H1][Ring2][Ring1][#Branch1][C@@H1][Ring2][Ring1][O][C][C][C][Ring2][Ring1][=C][=O]

The molecule is the 3-beta-D-glucuronide of estrone. It has a role as a human metabolite and a mouse metabolite. It is a 17-oxo steroid, a beta-D-glucosiduronic acid and a steroid glucosiduronic acid. It derives from an estrone. It is a conjugate acid of an estrone 3-O-(beta-D-glucuronide)(1-).

SMILES: CC12CCC3c4ccc(OC5OC(C(=O)O)C(O)C(O)C5O)cc4CCC3C1CCC2=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][Branch1][C][O][=C][Branch1][#C][C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][O][C][=C][Branch1][C][O][C][Branch1][C][O][=C][C][Branch1][C][O][=C][Ring2][Ring1][=Branch1][Ring1][=Branch2]

The molecule is a hexahydroxyflavone having the hydroxy groups placed at the 3-, 3'-, 4'-, 5- 7- and 8-positions. It has a role as a plant metabolite. It is a 7-hydroxyflavonol and a hexahydroxyflavone. It is a conjugate acid of a gossypetin-3-olate and a gossypetin(1-).

SMILES: O=c1c(O)c(-c2ccc(O)c(O)c2)oc2c(O)c(O)cc(O)c12
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][C][C@H1][C][C][C][N][Ring1][Branch1][C]

The molecule is a 1-(1-methylpyrrolidin-2-yl)acetone that has R configuration. It is a pyrrolidine alkaloid found in the coca plant, Erythroxylum coca. It has a role as a plant metabolite. It is a 1-(1-methylpyrrolidin-2-yl)acetone and a pyrrolidine alkaloid. It is an enantiomer of a (-)-hygrine.

SMILES: CC(=O)CC1CCCN1C
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][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][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][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][O][O]

The molecule is a glucosaminylphosphodolichol. It has a role as a human metabolite and a mouse metabolite. It is a conjugate acid of a N-acetyl-D-glucosaminyldiphosphodolichol(2-).

SMILES: CC(=O)NC1C(OP(=O)(O)OP(=O)(O)OCCC(C)CCC=C(C)CCC=C(C)CCC=C(C)CCC=C(C)C)OC(CO)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][N][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O]

The molecule is a tripeptide composed of L-alanine, L-proline and glycine joined in sequence by peptide linkages. It is a tautomer of a L-alanyl-L-prolylglycine zwitterion.

SMILES: CC(N)C(=O)N1CCCC1C(=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>

[C][/C][=C][\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][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][N][C][=Branch1][C][=O][C@@H1][Branch1][Ring2][C][C][N][N][C][=Branch1][C][=O][C@H1][Branch1][Ring2][C][C][N][N][C][=Branch1][C][=O][C@@H1][Branch1][Ring1][C][O][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][Ring2][N][C][=Branch1][C][=O][C][C@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C@H1][Branch1][C][O][C][Cl][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch2][C@H1][Branch1][C][O][C][=Branch1][C][=O][O][N][C][Ring2][#Branch1][C][=O]

The molecule is a member of the class of syringomycins that has 3-hydroxydodecanoyl as the fatty acyl tail group. It is isolated from Pseudomonas syringae pv. syringae and exhibits phytotoxic and antifungal properties. It has a role as a phytotoxin and an antifungal agent. It is a syringomycin and a lipopeptide antibiotic.

SMILES: CC=C1NC(=O)C(Cc2ccccc2)NC(=O)C(CCCN=C(N)N)NC(=O)C(CCN)NC(=O)C(CCN)NC(=O)C(CO)NC(=O)C(NC(=O)CC(O)CCCCCCCCC)COC(=O)C(C(O)CCl)NC(=O)C(C(O)C(=O)O)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>

[O][=C][C][=C][Branch1][C][O][C][=C][Branch1][C][O-1][C][=C][Branch1][C][O][C][Branch2][Ring1][N][C][=C][Branch1][C][O-1][C][=C][Branch1][C][O][C][=C][Branch1][C][O][C][=C][Ring1][Branch2][C][=Branch1][C][=O][C][Ring1][=C][=O][=C][Ring2][Ring1][#Branch1][C][Ring2][Ring1][N][=O]

The molecule is dianion of 3,8'-biflaviolin arising from selective deprotonation of the OH groups at the 2- and 2'-positions. It is a conjugate base of a 3,8'-biflaviolin. It is a conjugate acid of a 3,8'-biflaviolin 2,7,2'-triolate.

SMILES: O=C1C=C(O)c2c([O-])cc(O)c(C3=C([O-])c4c(O)cc(O)cc4C(=O)C3=O)c2C1=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][O][C][=C][C][=C][Branch2][Ring1][Branch2][C][C@H1][NH2+1][C][C][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][#Branch2][Ring1][=C][C][=C][Ring2][Ring1][Branch1][O][C]

The molecule is an organic cation that is the conjugate acid of (R)-tetrahydropapaverine, obtained by protonation of the secondary amino group; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a (R)-tetrahydropapaverine.

SMILES: COc1ccc(CC2[NH2+]CCc3cc(OC)c(OC)cc32)cc1OC
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][Branch2][Ring1][Branch1][C][C][C][C][C][C][C][C][C][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C@][Branch1][C][C][O][C][=Branch1][C][=O][C][C@@H1][Ring1][#Branch1][O]

The molecule is a butan-4-olide that is dihydrofuran-2(3H)-one substituted by a hydroxy group at position 4, a 2-hydroxy-2-methyl-14-phenyltetradecyl group at position 5 and a methyl group at position 5 (the 4S,5S stereoisomer). It is isolated from the Australian marine sponge Plakinastrella clathrata. It has a role as a metabolite. It is a diol and a butan-4-olide.

SMILES: CC(O)(CCCCCCCCCCCCc1ccccc1)CC1(C)OC(=O)CC1O
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@H1][C][C][C@][Ring1][=Branch1][Branch1][C][C][C@H1][Branch2][Ring1][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][Ring1][S]

The molecule is a monoterpenyl phosphate that is the O-diphospho derivative of (-)-borneol. It is a bornane monoterpenoid and a monoterpenyl phosphate. It derives from a (-)-borneol. It is a conjugate acid of a (-)-bornyl diphosphate(3-). It is an enantiomer of a (+)-bornyl diphosphate.

SMILES: CC1(C)C2CCC1(C)C(OP(=O)(O)OP(=O)(O)O)C2