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][=N][C][=C][Branch2][=Branch1][#Branch1][C][N+1][=C][S][C][Branch2][Branch1][#Branch2][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][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][=C][Ring2][Ring2][=Branch1][C][C][Branch1][C][N][=N][Ring2][Ring2][#C]

The molecule is an organophosphate oxoanion obtained by deprotonation of the triphosphate OH groups of adenosine thiamine triphosphate. It is a conjugate base of an adenosine thiamine triphosphate.

SMILES: Cc1ncc(C[n+]2csc(CCOP(=O)([O-])OP(=O)([O-])OP(=O)([O-])OCC3OC(n4cnc5c(N)ncnc54)C(O)C3O)c2C)c(N)n1
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][=O]

The molecule is a dec-2-enal in which the olefinic double bond has E configuration. It has a role as an alarm pheromone, a nematicide and a mutagen.

SMILES: CCCCCCCC=CC=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][N+1][Branch1][Ring1][C][C][Branch2][Ring2][C][C][C][N][C][=Branch1][C][=O][C][=Branch1][C][=O][N][C][C][N+1][Branch1][Ring1][C][C][Branch1][Ring1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl][C][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl].[Cl-1].[Cl-1]

The molecule is a symmetrical oxalamide-based bis-quaternary ammonium salt having ethyl and 2-chlorobenzyl groups attached to the nitrogens. It has a role as an EC 3.1.1.8 (cholinesterase) inhibitor and a neurotransmitter agent. It is a quaternary ammonium salt and an organic chloride salt.

SMILES: CC[N+](CC)(CCNC(=O)C(=O)NCC[N+](CC)(CC)Cc1ccccc1Cl)Cc1ccccc1Cl.[Cl-].[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][C][O][C][N][C][C][N][C][C][=Branch1][C][=O][O]

The molecule is an ethylenediamine derivative in which two of the four amine protons of ethylenediamine are replaced by carboxymethyl groups. It has a role as a chelator and a bacterial xenobiotic metabolite. It is an ethylenediamine derivative, a glycine derivative, a polyamino carboxylic acid and an amino dicarboxylic acid. It is a conjugate acid of an ethylenediaminediacetate(1-).

SMILES: O=C(O)CNCCNCC(=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][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is a wax ester obtained by the formal condensation of oleic acid with stearyl alcohol. It derives from an oleic acid and an octadecan-1-ol.

SMILES: CCCCCCCCC=CCCCCCCCC(=O)OCCCCCCCCCCCCCCCCCC
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][C][=Branch1][C][=O][C@H1][Branch2][Ring1][Branch1][C][C][C][C][NH1+1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][Ring1][=N][C][Ring2][Ring1][Branch2]

The molecule is a piperidinium ion resulting from the protonation of the amino group of (R)-donepezil. It is a conjugate acid of a (R)-donepezil. It is an enantiomer of a (S)-donepezil(1+).

SMILES: COc1cc2c(cc1OC)C(=O)C(CC1CC[NH+](Cc3ccccc3)CC1)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][=Branch1][C][=O][N][C][=C][C][=C][Branch1][Ring1][O][13CH3][C][=C][Ring1][Branch2]

The molecule is a (13)C-modified compound that is methacetin which has (13)C as the predominant isotope of the methoxy carbon. In normal subjects, methacetin is rapidly metabolised in the liver, being dealkylated by hepatic CYP1A2 to give paracetamol (acetaminophen); the methyl of the methoxy group is eliminated as CO2. Administering methacetin-(methoxy-(13)C) to a patient enables the liver (cytochrome P-450 1A2) function to be determined quickly and precisely by measuring the (13)CO2 in the breath (e.g. by isotope-selective non-dispersive infrared spectrometry (NDIRS)). It has a role as an isotopic tracer and a diagnostic agent. It is a (13)C-modified compound, a member of acetamides and an aromatic ether.

SMILES: COc1ccc(NC(C)=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][=C][C][=C][Branch1][C][Cl][C][Branch1][#C][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][=C][Ring1][P][Cl]

The molecule is an aminobenzoic acid that is anthranilic acid in which one of the hydrogens attached to the nitrogen is replaced by a 2,6-dichloro-3-methylphenyl group. A non-steroidal anti-inflammatory drug, it is used as the sodium salt for the treatment of dysmenorrhoea (painful periods), osteoarthritis and rheumatoid arthritis. It has a role as a non-steroidal anti-inflammatory drug, an antirheumatic drug, an antineoplastic agent, an anticonvulsant, an analgesic, an antipyretic, an EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor and an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor. It is an aminobenzoic acid, a secondary amino compound and an organochlorine compound. It is a conjugate acid of a meclofenamic acid(1-).

SMILES: Cc1ccc(Cl)c(Nc2ccccc2C(=O)O)c1Cl
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][/C][=C][/C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][O][C][C@H1][O][C@@H1][Branch2][Ring2][Branch1][O][C][=C][C][=C][Branch2][Ring1][Branch2][C@@H1][C][C][=Branch1][C][=O][C][=C][Branch1][C][O][C][=C][Branch1][C][O][C][=C][Ring1][Branch2][O][Ring1][=N][C][=C][Ring2][Ring1][Ring1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][N][O]

The molecule is a flavanone glycoside that is (S)-naringenin attached to a 6-O-[(2E)-3-(4-hydroxyphenyl)prop-2-enoyl]-beta-D-glucopyranosyl moiety at position 4' via a glycosidic linkage. Isolated from Leucas urticifolia, it acts as a cholinesterase inhibitor. It has a role as a metabolite and an EC 3.1.1.8 (cholinesterase) inhibitor. It is a flavanone glycoside, a cinnamate ester, a dihydroxyflavanone, a beta-D-glucoside and a (2S)-flavan-4-one. It derives from a (S)-naringenin and a trans-4-coumaric acid.

SMILES: O=C(C=Cc1ccc(O)cc1)OCC1OC(Oc2ccc(C3CC(=O)c4c(O)cc(O)cc4O3)cc2)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>

[N][C][C][=Branch1][C][=O][N][C@@H1][Branch1][#C][C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][C][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2]

The molecule is an N-(2-naphthyl)carboxamide obtained by formal condensation of the carboxy group of glycyl-L-tryptophan with the amino group of 2-naphthylamine. It has a role as a chromogenic compound. It is a N-(2-naphthyl)carboxamide and a dipeptide.

SMILES: NCC(=O)NC(Cc1c[nH]c2ccccc12)C(=O)Nc1ccc2ccccc2c1
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][Branch2][Ring1][P][C@@H1][O][C@H1][Branch2][Ring1][Ring1][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C@@H1][Branch1][C][O][C@H1][Ring1][S][O][C][=Branch1][C][=O][NH1][C][Ring2][Ring1][Branch2][=O]

The molecule is a pyrimidine ribonucleoside 5'-diphosphate in which the pyrimidine element is 5-methyluracil. It derives from a ribothymidine. It is a conjugate acid of a TDP(3-).

SMILES: Cc1cn(C2OC(COP(=O)(O)OP(=O)(O)O)C(O)C2O)c(=O)[nH]c1=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][Branch1][=C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][Branch1][N][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1][N][Ring2][Ring1][O][C][C][C@@H1][Branch1][C][O][C][C@@H1][Branch1][C][O][C][C][=Branch1][C][=O][O-1].[C][C][Branch1][C][C][C][=C][Branch1][=C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][=C][Branch1][N][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1][N][Ring2][Ring1][O][C][C][C@@H1][Branch1][C][O][C][C@@H1][Branch1][C][O][C][C][=Branch1][C][=O][O-1].[Ca+2]

The molecule is an organic calcium salt composed of calcium cations and atorvastatin anions in a 1:2 ratio. It contains an atorvastatin(1-).

SMILES: CC(C)c1c(C(=O)Nc2ccccc2)c(-c2ccccc2)c(-c2ccc(F)cc2)n1CCC(O)CC(O)CC(=O)[O-].CC(C)c1c(C(=O)Nc2ccccc2)c(-c2ccccc2)c(-c2ccc(F)cc2)n1CCC(O)CC(O)CC(=O)[O-].[Ca+2]
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@@H1][C][C@H1][Branch2][Ring2][#C][O][C@H1][O][C@@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C@H1][O][C@@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C@H1][O][C@@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][Branch2][O][C][NH2+1][Ring2][Ring1][P]

The molecule is an amino acid zwitterion obtained by transfer of a proton from the carboxy to the amino group of 4-O-(beta-L-Araf-(1->2)-beta-L-Araf-(1->2)-beta-L-Araf)-cis-L-Hyp. It is a tautomer of a 4-O-(beta-L-Araf-(1->2)-beta-L-Araf-(1->2)-beta-L-Araf)-cis-L-Hyp.

SMILES: O=C([O-])C1CC(OC2OC(CO)C(O)C2OC2OC(CO)C(O)C2OC2OC(CO)C(O)C2O)C[NH2+]1
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][O]

The molecule is a primary allylic alcohol that is (2E,6Z)-nona-2,6-diene in which a hydrogen at position 1 has been replaced by a hydroxy group. It has a role as a flavouring agent, a plant metabolite and a fragrance. It is an alkenyl alcohol, a volatile organic compound, a primary allylic alcohol and a medium-chain primary fatty alcohol.

SMILES: CCC=CCCC=CCO
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][Branch1][C][C][C][=C][C][=C][Branch1][Ring1][C][=O][C][=C][Ring1][Branch2]

The molecule is a mamber of the class of benzaldehydes carrying a dimethylamino substituent at position 4. Used as an indicator for detection of indoles and hydrazine. It has a role as a chromogenic compound. It is a member of benzaldehydes, a substituted aniline and a tertiary amino compound.

SMILES: CN(C)c1ccc(C=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][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][S][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][O][C][=Branch1][C][=O][C][C][C][C][C][C][C]

The molecule is a 1-phosphatidyl-1D-myo-inositol in which the two phosphatidyl acyl groups are specified as octanoyl. It is a 1-phosphatidyl-1D-myo-inositol and an octanoate ester. It is a conjugate acid of a 1,2-dioctanoyl-sn-glycero-3-phospho-1D-myo-inositol(1-).

SMILES: CCCCCCCC(=O)OCC(COP(=O)(O)OC1C(O)C(O)C(O)C(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][=C][C@H1][O][C][=Branch1][C][=O][C@@H1][Branch1][C][C][C@@H1][Ring1][#Branch1][C][C][C@@][Ring1][O][Branch1][C][C][C][=C][C][Ring1][S][=O]

The molecule is a santonin that is 3a,5,5a,9b-tetrahydronaphtho[1,2-b]furan-2,8(3H,4H)-dione substituted by methyl groups at positions 3, 5a and 9. It has a role as a plant metabolite. It is a botanical anti-fungal agent and a santonin.

SMILES: CC1=C2C3OC(=O)C(C)C3CCC2(C)C=CC1=O