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

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

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

[C][N][C][=Branch1][C][=O][/C][=Branch1][Ring2][=N][/O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][O][/N][=C][Branch1][C][C][/C][=C][/C][=C][Branch1][C][Cl][C][=C][C][=C][Ring1][#Branch1][Cl]

The molecule is a monocarboxylic acid amide obtained by formal condensation of the carboxy group of (2E)-{2-[({(E)-[(3E)-4-(2,6-dichlorophenyl)but-3-en-2-ylidene]amino}oxy)methyl]phenyl}(methoxyimino)acetic acid with the amino group of methylamine. A broad-spectrum fungicide. It has a role as a mitochondrial cytochrome-bc1 complex inhibitor and an antifungal agrochemical. It is an oxime O-ether, a monocarboxylic acid amide, an olefinic compound, a dichlorobenzene, an amide fungicide and a methoxyiminoacetamide strobilurin antifungal agent.

SMILES: CNC(=O)C(=NOC)c1ccccc1CON=C(C)C=Cc1c(Cl)cccc1Cl
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][O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][C][N][C@@H1][Branch1][C][C][C][C][=C][C][=C][Branch1][Ring1][O][C][C][Branch1][=Branch2][S][Branch1][C][N][=Branch1][C][=O][=O][=C][Ring1][N].[Cl]

The molecule is a hydrochloride resulting from the reaction of equimolar amounts of ent-tamulosin and hydrogen chloride. It contains an ent-tamsulosin(1+). It is an enantiomer of a tamsulosin hydrochloride.

SMILES: CCOc1ccccc1OCCNC(C)Cc1ccc(OC)c(S(N)(=O)=O)c1.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>

[C][C][=C][C][=C][Branch1][O][C][=Branch1][C][=O][N][C][C][C][Ring1][Ring1][C][=C][Ring1][N][N][C][=C][C][=Branch1][C][=O][N][Branch1][C][C][C][=C][Ring1][Branch2][C][=N][N][Ring1][Branch1][C][=C][C][=C][Branch1][C][F][C][=C][Ring1][#Branch1][F]

The molecule is a member of the class of benzamides obtained by formal condensation of the carboxy group of 3-{[1-(2,4-difluorophenyl)-7-methyl-6-oxo-6,7-dihydropyrazolo[3,4-b]pyridin-4-yl]amino}-4-methylbenzoic acid with the amino group of cyclopropylamine. It has a role as an EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor. It is a member of benzamides, an organofluorine compound, a pyrazolopyridine, an aromatic amine, a secondary amino compound and a member of cyclopropanes.

SMILES: Cc1ccc(C(=O)NC2CC2)cc1Nc1cc(=O)n(C)c2c1cnn2-c1ccc(F)cc1F
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][Ring2][#Branch2][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][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][S][O]

The molecule is an amino trisaccharide consisting of 2-acetamido-2-deoxy-beta-D-glucopyranose, alpha-D-glucopyranose and D-glucopyranose residues joined in sequence by (1->6) and (1->2) glycosidic bonds. It is an amino trisaccharide and a member of acetamides. It derives from an alpha-D-Glcp-(1->2)-D-Glcp.

SMILES: CC(=O)NC1C(OCC2OC(OC3C(O)OC(CO)C(O)C3O)C(O)C(O)C2O)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][Branch1][C][C][C@@H1][C][C][C][Branch1][C][C][=C][C@H1][Ring1][#Branch1][C][=C][Branch1][C][O][C][=C][Branch1][=Branch1][C][C][C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][=C][Ring1][#C][O]

The molecule is a dihydroxybenzoic acid that is olivetolic acid in which the hydrogen at position 3 is substituted by a 3-p-mentha-1,8-dien-3-yl (limonene) group. It is a phytocannabinoid, a member of resorcinols, a polyketide and a dihydroxybenzoic acid. It derives from an olivetolic acid. It is a conjugate acid of a cannabidiolate.

SMILES: C=C(C)C1CCC(C)=CC1c1c(O)cc(CCCCC)c(C(=O)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][=Branch1][C][=O][O][C]

The molecule is a fatty acid methyl ester resulting from the formal condensation of the carboxy group of tetradecanoic acid (myristic acid) with methanol. It has a role as a plant metabolite, a flavouring agent and a fragrance. It derives from a tetradecanoic acid.

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

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

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

[C][C][Branch1][C][O][Branch1][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is the dicarboxylic acid dianion resulting from deprotonation of both carboxy groups of 4-hydroxy-4-methyl-2-oxoglutaric acid; major species at pH 7.3. It is a dicarboxylic acid dianion and an oxo carboxylic acid anion. It is a conjugate base of a 4-hydroxy-4-methyl-2-oxoglutaric acid.

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

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

The molecule is a CMP-N-acyl-beta-neuraminic acid in which the N-acyl group is glycoloyl. It has a role as a mouse metabolite. It is a conjugate acid of a CMP-N-glycoloyl-beta-neuraminate(2-).

SMILES: Nc1ccn(C2OC(COP(=O)(O)OC3(C(=O)O)CC(O)C(NC(=O)CO)C(C(O)C(O)CO)O3)C(O)C2O)c(=O)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@H1][C@@H1][Branch1][S][C][C][C][=C][C][=Branch1][C][=O][C][C][C@@H1][Ring1][#Branch1][Ring1][O][C@@H1][Ring1][#C][C][C][C@@H1][Ring2][Ring1][C][O][C][=Branch1][C][=O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a 3-phenylpropionate ester. It has a role as an anabolic agent and an androgen. It derives from a nandrolone.

SMILES: CC12CCC3C4CCC(=O)C=C4CCC3C1CCC2OC(=O)CCc1ccccc1
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][Branch1][C][O][C@@H1][Branch1][P][N][C][=C][C][=C][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][C][=C][Ring1][=Branch2][C][C@H1][Branch1][Ring1][C][O][C@H1][Ring2][Ring1][Ring1][O]

The molecule is a secondary amino compound, a substituted aniline, a C-nitro compound, a cyclic ketone, a triol and a secondary alpha-hydroxy ketone.

SMILES: O=C1C(O)C(CO)CC(Nc2ccc([N+](=O)[O-])cc2)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[O][=C][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 obtained by deprotonation of the phosphate OH groups of keto-L-tagatose 6-phosphate; major species at pH 7.3. It is a conjugate base of a keto-L-tagatose 6-phosphate. It is an enantiomer of a keto-D-tagatose 6-phosphate(2-).

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>

[C][C][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][Branch2][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][NH3+1]

The molecule is a phosphatidylethanolamine 38:5 obtained by transfer of a proton from the amino to the phosphate group of 1-oleoyl-2-arachidonoyl-sn-glycerol-3-phosphoethanolamine. It is a tautomer of a 1-oleoyl-2-arachidonoyl-sn-glycerol-3-phosphoethanolamine.

SMILES: CCCCCC=CCC=CCC=CCC=CCCCC(=O)OC(COC(=O)CCCCCCCC=CCCCCCCCC)COP(=O)([O-])OCC[NH3+]
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][N][/C][=Branch1][=C][=C][/C][=Branch1][C][=O][N][C][C][O][C][C][Ring1][=Branch1][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][=C][Ring2][Ring1][#Branch1][O][C]

The molecule is a mixture of (E)- and (Z)-dimethomorph in an unspecified ratio. It is used as a systemic fungicide used on vines, potatoes, and greenhouse crops; only the Z isomer has fungicidal activity. It has a role as a xenobiotic, an environmental contaminant and an antifungal agrochemical. It is a mixture and a morpholine fungicide. It contains an (E)-dimethomorph and a (Z)-dimethomorph.

SMILES: COc1ccc(C(=CC(=O)N2CCOCC2)c2ccc(Cl)cc2)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][N][C@H1][C@H1][Branch2][Branch2][P][O][C@H1][C@@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][O][O][C@@H1][Branch2][#Branch1][N][O][C@H1][C@H1][Branch2][Ring1][Ring2][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch2][Ring2][#C][O][C@H1][C@@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][O][O][C@@H1][Branch2][Ring1][#Branch2][O][C@H1][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C][Branch1][C][O][O][C@@H1][Ring1][N][C][O][C@@H1][Ring2][Ring1][Branch2][O][O][C@@H1][Ring2][Ring2][#C][C][O][C@@H1][Ring2][Branch1][O][O][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch2][Branch1][=C][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@H1][Branch2][Ring2][=Branch2][O][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C@H1][Branch1][C][O][C@@H1][Branch1][#Branch1][N][C][Branch1][C][C][=O][C@H1][Branch1][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][O][Ring2][Ring1][Ring2][C@H1][Ring2][Ring1][=C][O][C@@H1][Ring2][Branch2][Branch1][O]

The molecule is a glucosamine oligosaccharide comprising N-acetyl-alpha-neuraminosyl, beta-D-galactosyl, 2-acetamido-2-deoxy-beta-D-glucosyl, beta-D-galactosyl, 2-acetamido-2-deoxy-3-O-(alpha-L-fucosyl)-beta-D-glucosyl, beta-D-galactosyl, and 2-acetamido-2-deoxy-D-glucose joined together in sequence by (2->3), (1->4), (1->3), (1->4), (1->3) and (1->4) glycosidic linkages, respectively. It is a carbohydrate acid derivative, a galactosamine oligosaccharide and a glucosamine oligosaccharide. It is a conjugate acid of an alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc(1-).

SMILES: CC(=O)NC1C(O)OC(CO)C(OC2OC(CO)C(O)C(OC3OC(CO)C(OC4OC(CO)C(O)C(OC5OC(CO)C(OC6OC(CO)C(O)C(OC7(C(=O)O)CC(O)C(NC(C)=O)C(C(O)C(O)CO)O7)C6O)C(O)C5NC(C)=O)C4O)C(OC4OC(C)C(O)C(O)C4O)C3NC(C)=O)C2O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a member of the class of chalcones that is trans-chalcone substituted by a hydroxy group at position 4'. It has a role as an anti-inflammatory agent and an antineoplastic agent. It is a member of chalcones and a member of phenols.

SMILES: O=C(C=Cc1ccccc1)c1ccc(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][C][C][C][C][C][C][C][C][C][C][Branch1][C][C][C]

The molecule is a branched C20 alkene consisting of a 19-carbon chain with a double bond between C-1 and C-2 and a methyl group at C-18.

SMILES: C=CCCCCCCCCCCCCCCCC(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][C][C][C][C][C][C][/C][=C][\C][/C][=C][\C][=C][\C@@H1][Branch1][C][O][C][C][C][C][=Branch1][C][=O][O]

The molecule is a 5-HETrE consisting of (6E,8Z,11Z)-icosatrienoic acid in which the 5-hydroxy group has S-configuration. It has a role as a human xenobiotic metabolite.

SMILES: CCCCCCCCC=CCC=CC=CC(O)CCCC(=O)O