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

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

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

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

The molecule is a 1,2-diacyl-sn-glycerol 3-phosphate in which the acyl substituents at positions 1 and 2 are specified as myristoyl and oleoyl respectively. It is a 1,2-diacyl-sn-glycerol 3-phosphate and a tetradecanoate ester. It derives from an oleic acid. It is a conjugate acid of a 1-myristoyl-2-oleoyl-sn-glycero-3-phosphate(2-).

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

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

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

[C][C][Branch1][C][C][C][C][C][C@@H1][Branch1][C][C][C@H1][C][C][C@H1][C@@H1][C][=Branch1][C][=O][C][=C][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 cholestanoid that consists of cholesterol bearing an oxo substituent at position 7. It has a role as a neuroprotective agent. It is a 3beta-sterol, a cholestanoid, a 7-oxo steroid and a 3beta-hydroxy-Delta(5)-steroid. It derives from a cholesterol.

SMILES: CC(C)CCCC(C)C1CCC2C3C(=O)C=C4CC(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>

[O][=C][Branch1][C][O-1][C][C][Branch1][C][O][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1].[NH4+1].[NH4+1].[NH4+1]

The molecule is a citrate salt in which all three carboxy groups are deprotonated and associated with ammonium ions as counter-cations. It has a role as a food emulsifier and a buffer. It is an ammonium salt and a citrate salt.

SMILES: O=C([O-])CC(O)(CC(=O)[O-])C(=O)[O-].[NH4+].[NH4+].[NH4+]
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][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O]

The molecule is an omega-hydroxy fatty acid that is hentriacontanoic acid (a C31 acid) substituted by a hydroxy group at position 31.

SMILES: O=C(O)CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCO
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][C][C][C][C][=Branch1][C][=O][O][O][C][O][C][Branch1][C][C][C][Branch1][C][O][C][C][Ring1][Branch2][O]

The molecule is an (omega-1)-hydroxy fatty acid ascaroside obtained by formal condensation of the alcoholic hydroxy group of (10R)-10-hydroxyundecanoic acid with ascarylopyranose (the alpha anomer). It is a metabolite of the nematode Caenorhabditis elegans. It is a monocarboxylic acid and an (omega-1)-hydroxy fatty acid ascaroside. It derives from a (10R)-10-hydroxyundecanoic acid. It is a conjugate acid of an ascr#18(1-).

SMILES: CC(CCCCCCCCC(=O)O)OC1OC(C)C(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][C][C][C][C][C][C][/C][=C][/C][=Branch1][C][=O][O]

The molecule is an alpha,beta-unsaturated monocarboxylic acid that is trans-dodec-2-enoic acid in which one of the hydrogens at position 11 has been replaced by a methyl group. It is a methyl-branched fatty acid, an alpha,beta-unsaturated monocarboxylic acid and a monounsaturated fatty acid.

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

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

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

[C][S][C][C][/C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]

The molecule is a 2-(omega-methylthio)alkylmaleic acid in which the 2-alkyl group is specified as 2-methylthioethyl. It is a conjugate acid of a 2-(2-methylthio)ethylmaleate(2-).

SMILES: CSCCC(=CC(=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>

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

The molecule is a disaccharide consisting of beta-D-galactopyranose and D-galactopyranose joined in sequence by a (1->2) glycosidic bond. It derives from a D-galactopyranose and a beta-D-galactose.

SMILES: OCC1OC(OC2C(O)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>

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

The molecule is a 3',5'-cyclic purine nucleotide that is 3',5'-cyclic AMP bearing an additional bromo substituent at position 8 on the adenine ring. An activator of cyclic AMP-dependent protein kinase, but resistant to degradation by cyclic AMP phosphodiesterase. It has a role as a protein kinase agonist and an antidepressant. It is a 3',5'-cyclic purine nucleotide, an organobromine compound and an adenyl ribonucleotide. It derives from a 3',5'-cyclic AMP.

SMILES: Nc1ncnc2c1nc(Br)n2C1OC2COP(=O)(O)OC2C1O
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][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]

The molecule is an organophosphate oxoanion arising from deprotonation of both phosphate OH groups of D-fructose 6-phosphate. It has a role as a human metabolite and a Saccharomyces cerevisiae metabolite. It is a conjugate base of a keto-D-fructose 6-phosphate.

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

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

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

[O][=C][Branch1][C][O][C][=C][Branch1][C][O][C][=C][C][=C][Ring1][#Branch1][O]

The molecule is a dihydroxybenzoic acid having the two hydroxy groups at the C-2 and C-6 positions. It has a role as a metabolite. It is a conjugate acid of a 2,6-dihydroxybenzoate.

SMILES: O=C(O)c1c(O)cccc1O
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][=Branch1][C][=O][O-1]

The molecule is a muconate that is the conjugate base of (2Z,4Z)-5-carboxypenta-2,4-dienoate. It has a role as a bacterial xenobiotic metabolite. It is a conjugate base of a (2Z,4Z)-5-carboxypenta-2,4-dienoate.

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

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

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

[O][=C][Branch1][Branch2][C@@H1][C][C][C][N][Ring1][Branch1][N][C][C][C][C@H1][Ring1][Branch1][B][Branch1][C][O][O]

The molecule is an N-acylpyrrolidine obtained by formal condenstion of the carboxy group of L-proline and the secondary amino group of (R)-pyrrolidine-2-carboxylic acid. It has a role as an EC 3.4.* (hydrolases acting on peptide bond) inhibitor. It is a member of boronic acids, a N-acylpyrrolidine and a L-proline derivative.

SMILES: O=C(C1CCCN1)N1CCCC1B(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][O][C@H1][Branch2][N][P][O][C@@H1][C@@H1][Branch1][P][O][C@@H1][O][C][C@][Branch1][C][C][Branch1][Ring1][C][O][C@H1][Ring1][Branch2][O][C@H1][Branch2][#Branch2][P][O][C@H1][C@H1][Branch2][=Branch2][=N][O][C@H1][C@H1][Branch2][Branch2][N][O][C][=Branch1][C][=O][C@][C][C][C][Branch1][C][C][Branch1][C][C][C][C@H1][Ring1][Branch2][C][=C][C][C@@H1][C@@][Branch1][C][C][C][C@H1][Branch1][C][O][C@H1][Branch2][Ring2][Ring2][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][C@@H1][O][C][C@][Branch1][C][O][Branch1][Ring1][C][O][C@H1][Ring1][Branch2][O][C@@][Branch1][C][C][Branch1][Ring1][C][O][C@@H1][Ring2][Ring1][S][C@H1][Branch1][C][O][C][C@@][Ring2][Ring2][Branch1][Branch1][C][C][C@][Ring2][Ring2][#Branch2][Branch1][C][C][C][C][Ring2][Branch1][Branch1][O][C][C@H1][Branch1][C][O][C@@H1][Ring2][Branch1][#C][O][O][C@@H1][Branch1][C][C][C@H1][Branch1][C][O][C@H1][Ring2][=Branch1][=Branch2][O][O][C][C@H1][Ring2][#Branch1][O][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring2][Branch2][Branch1][O]

The molecule is a triterpenoid saponin that consists of protobassic acid as the aglycone moiety. Isolated from the barks of Madhuca indica, it exhibits radical scavenging activity. It has a role as a radical scavenger and a plant metabolite. It is a carboxylic ester, a pentacyclic triterpenoid and a triterpenoid saponin. It derives from a protobassic acid.

SMILES: CC1OC(OC2C(O)COC(OC3C(OC4C(OC(=O)C56CCC(C)(C)CC5C5=CCC7C8(C)CC(O)C(OC9OC(CO)C(O)C(O)C9OC9OCC(O)(CO)C9O)C(C)(CO)C8C(O)CC7(C)C5(C)CC6)OCC(O)C4O)OC(C)C(O)C3O)C2OC2OCC(C)(CO)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][C][C][C][/C][=C][\C][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][=Branch1][C][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][O][O][C][=Branch1][C][=O][C][C][C][C][C][/C][=C][\C][/C][=C][\C][C][C][C][C]

The molecule is a galactoglycerolipid that consists of 1,2-diacyl-sn-glycerol having (7Z,10Z)-hexadecadienoyl and linoleoyl as the acyl groups and a beta-D-galactopyranosyl residue attached at position 3. It has been found in Daphnia pulex and exhibits cytotoxic activity. It has a role as an antineoplastic agent and a Daphnia pulex metabolite. It is a monosaccharide derivative and a beta-D-galactopyranosyl diglyceride.

SMILES: CCCCCC=CCC=CCCCCCCCC(=O)OCC(COC1OC(CO)C(O)C(O)C1O)OC(=O)CCCCCC=CCC=CCCCCC
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][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][C][/C][Branch1][C][C][=C][\C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][#Branch1][Branch1][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch2][Branch1][S][O][C@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch2][O][C@@H1][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch2][Ring1][Branch1][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch2][O][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][=Branch1][O][C@H1][Ring2][Ring2][N][O][C@H1][Branch1][C][O][C@H1][Ring2][Branch1][#Branch1][O]

The molecule is an organophosphate oxoanion that is the trianion of beta-D-Man-(1->4)-beta-D-GlcA-(1->2)-alpha-D-Man-(1->3)-beta-D-Glc-(1->4)-alpha-D-Glc-1-diphospho-ditrans,polycis-undecaprenol arising from deprotonation of both free diphosphate OH groups and the carboxy group of the glucuronic acid residue; major species at pH 7.3. It is a conjugate base of a beta-D-Man-(1->4)-beta-D-GlcA-(1->2)-alpha-D-Man-(1->3)-beta-D-Glc-(1->4)-alpha-D-Glc-1-diphospho-ditrans,polycis-undecaprenol.

SMILES: CC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCCC(C)=CCOP(=O)([O-])OP(=O)([O-])OC1OC(CO)C(OC2OC(CO)C(O)C(OC3OC(CO)C(O)C(O)C3OC3OC(C(=O)[O-])C(OC4OC(CO)C(O)C(O)C4O)C(O)C3O)C2O)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][Branch1][C][C][C][C][=C][Branch1][O][C][#C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][Branch2][Ring1][C][/C][=C][/C][=C][C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Ring1][=Branch2][=C][C][=C][Ring1][P][Ring2][Ring1][=C]

The molecule is a member of the class of dihydronaphthalenes that is 1,2-dihydronaphthalene which is substituted at positions 1, 1, 4, and 6 by methyl, methyl, phenylethynyl, and 2-(p-carboxyphenyl)vinyl groups, respectively (the E isomer). It has a role as a retinoic acid receptor antagonist. It is a member of benzoic acids, a stilbenoid, a member of dihydronaphthalenes and an acetylenic compound.

SMILES: CC1(C)CC=C(C#Cc2ccccc2)c2cc(C=Cc3ccc(C(=O)O)cc3)ccc21