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

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

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

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

The molecule is a heparin octasaccharide consisting of 4-deoxy-2-O-sulfo-alpha-L-threo-hex-4-enopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranosyl, 2-O-sulfo-alpha-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranosyl, 2-O-sulfo-alpha-L-idopyranuronosyl, 2-deoxy-6-O-sulfo-2-(sulfoamino)-alpha-D-glucopyranosyl, 2-O-sulfo-alpha-L-idopyranuronosyl, and 2-deoxy-2-(sulfoamino)-alpha-D-glucopyranose units joined in sequence by (1->4) linkages. Sequence: DUA2S-GlcNS6S-IdoA2S-GlcNS6S-IdoA2S-GlcNS6S-IdoA2S-GlcNS. It is a heparin octasaccharide, an oligosaccharide sulfate and an amino octasaccharide.

SMILES: O=C(O)C1=CC(O)C(OS(=O)(=O)O)C(OC2C(COS(=O)(=O)O)OC(OC3C(C(=O)O)OC(OC4C(COS(=O)(=O)O)OC(OC5C(C(=O)O)OC(OC6C(COS(=O)(=O)O)OC(OC7C(C(=O)O)OC(OC8C(CO)OC(O)C(NS(=O)(=O)O)C8O)C(OS(=O)(=O)O)C7O)C(NS(=O)(=O)O)C6O)C(OS(=O)(=O)O)C5O)C(NS(=O)(=O)O)C4O)C(OS(=O)(=O)O)C3O)C(NS(=O)(=O)O)C2O)O1
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@H1][Branch1][C][C][C][=Branch1][C][=O][C][C][C][C][Ring1][Ring1][C][C][C][C][Ring1][Ring1][C][C@@H1][Branch1][C][O][C@@H1][Branch1][Ring1][C][C][C][=Branch1][C][=O][O-1]

The molecule is the conjugate base of ketomycolic acid type-1 (X'). A class of mycolic acids characterized by the presence of two proximal cis-cyclopropyl groups followed by a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.

SMILES: CCC(C)C(=O)CC1CC1CC1CC1CC(O)C(CC)C(=O)[O-]
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a benzamide obtained by formal condensation of the carboxy group of 4-acetamidobenzoic acid with one of the amino groups of 1,2-phenylenediamine. An oral cytostatic drug with impressive differential activity against leukemic cells and normal stem-cells. Also used in combination therapy for selected tumors including non-smoll cell lung, pancreatic, breast, and colorectal cancers. It has a role as an EC 3.5.1.98 (histone deacetylase) inhibitor and an antineoplastic agent. It is a member of acetamides, a member of benzamides and a substituted aniline. It derives from a 1,2-phenylenediamine.

SMILES: CC(=O)Nc1ccc(C(=O)Nc2ccccc2N)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][O][C@H1][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@@H1][Branch2][#Branch2][#Branch2][O][C@@H1][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch2][Branch2][#Branch2][O][C@H1][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@@H1][Branch2][Branch1][=N][O][C@@H1][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C@@H1][Branch2][Ring2][Branch1][O][C@H1][O][C@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][=C][N][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C@H1][Ring2][Ring1][=C][O][C@H1][Branch1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@H1][Ring2][Ring2][P][N][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C@H1][Ring2][Branch1][P][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C@H1][Ring2][#Branch1][Ring2][N][S][=Branch1][C][=O][=Branch1][C][=O][O-1]

The molecule is the carbohydrate acid derivative anion formed by loss of 10 protons from the carboxy and sulfoamino groups of fondaparinux. It is a carbohydrate acid derivative anion, an organosulfate oxoanion and a monocarboxylic acid anion. It is a conjugate base of a fondaparinux.

SMILES: COC1OC(COS(=O)(=O)[O-])C(OC2OC(C(=O)[O-])C(OC3OC(COS(=O)(=O)[O-])C(OC4OC(C(=O)[O-])C(OC5OC(COS(=O)(=O)[O-])C(O)C(O)C5NS(=O)(=O)[O-])C(O)C4O)C(OS(=O)(=O)[O-])C3NS(=O)(=O)[O-])C(O)C2OS(=O)(=O)[O-])C(O)C1NS(=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>

[S][=C][Branch1][C][S-1][N][C][C][N][C][=Branch1][C][=S][S-1].[NH4+1].[NH4+1]

The molecule is a dithiocarbamate salt resulting from the formal reaction of ethylenebis(dithiocarbamic acid) with 2 mol eq. of ammonia. A water-soluble crystalline solid, it is a fungicide used to protect fruit, vegetable, and field crops against a wide spectrum of fungal diseases. Mixing amobam with zinc sulfate affords the fungicide zineb. It has a role as an antifungal agrochemical. It is an ammonium salt and a dithiocarbamate salt. It contains an ethylenebis(dithiocarbamate) and an ammonium.

SMILES: S=C([S-])NCCNC(=S)[S-].[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][=S][=Branch1][C][=O][Branch1][C][O][C][C@H1][O][C][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O]

The molecule is a carbohydrate sulfonate that is D-quinovose (6-deoxy-D-glucose) in which one of the methyl hydrogens at position 6 is replaced by a sulfo group. It has a role as a metabolite. It derives from a D-quinovose. It is a conjugate acid of a 6-sulfo-D-quinovose(1-).

SMILES: O=S(=O)(O)CC1OC(O)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][O][C][=Branch1][C][=O][C][S][C][=C][C][Branch2][Ring1][Ring2][N][C][=Branch1][C][=O][N][N][Branch1][Branch1][C][Ring1][=Branch1][=S][C][C][C][C][Ring1][Branch2][=C][Branch1][C][F][C][=C][Ring2][Ring1][C][Cl]

The molecule is a triazolopyridazine that is tetrahydro-1H-[1,2,4]triazolo[1,2-a]pyridazine which is substituted at positions 1, 3, and 4 by oxo, sulfanyl and 4-chloro-2-fluoro-5-[(2-methoxy-2-oxoethyl)sulfanyl]phenyl groups, respectively. The active metabolite of the proherbicide fluthiacet-methyl. It has a role as an EC 1.3.3.4 (protoporphyrinogen oxidase) inhibitor and a herbicide. It is an aryl sulfide, a member of monochlorobenzenes, a member of monofluorobenzenes, a triazolopyridazine, a methyl ester and a thiocarbonyl compound.

SMILES: COC(=O)CSc1cc(-n2c(=O)n3n(c2=S)CCCC3)c(F)cc1Cl
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@H1][C][N][C][C][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][Ring1][O][C][C][=C][Ring1][#Branch2][C@@H1][Ring1][=C][C][C@@H1][Ring2][Ring1][C][C][C@@H1][N][C][C][C][=C][C][Branch1][C][O][=C][Branch1][C][O][C][=C][Ring1][Branch2][Ring1][N]

The molecule is a pyridoisoquinoline consisting of (1'beta)-emetan substituted by hydroxy groups at positions 6' and 7' and methoxy groups at positions 10 and 11. It is isolated from Psychotria klugii and exhibits antileishmanial activity. It has a role as a metabolite and an antileishmanial agent. It is an isoquinoline alkaloid, a member of isoquinolines, an aromatic ether, a polyphenol and a pyridoisoquinoline.

SMILES: CCC1CN2CCc3cc(OC)c(OC)cc3C2CC1CC1NCCc2cc(O)c(O)cc21
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][S][N][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O][C][Branch2][Branch1][=Branch2][O][C][C][O][C][=C][C][Branch2][Ring2][C][C][=C][C][=C][Branch1][C][F][C][=Branch1][C][=O][C][=C][Ring1][Branch2][O][C][=C][C][Branch1][C][O][=C][Branch1][C][F][C][=C][Ring2][Ring1][C][Ring1][Branch2][=C][C][=C][Ring2][Ring1][Branch2][N][C][C][=Branch1][C][=O][O][=C][Ring2][Ring2][S]

The molecule is a member of the class of xanthenes that is used as a Zn(2+)-selective fluorescent indicator. It has a role as a histological dye, a chelator and a visual indicator. It is a member of xanthenes, a cyclic ketone, an aromatic ether, a member of phenols, an organofluorine compound, a tricarboxylic acid and a substituted aniline.

SMILES: COc1ccc(N(CC(=O)O)CC(=O)O)c(OCCOc2cc(-c3c4cc(F)c(=O)cc-4oc4cc(O)c(F)cc34)ccc2NCC(=O)O)c1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C@@H1][O][C@@H1][Branch1][#C][O][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][C][O][C][C@H1][Ring2][Ring1][Ring1][O][C][=Branch1][C][=O][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1]

The molecule is a 4-O-(1H-indol-3-ylcarbonyl)ascaroside derived from 9-hydroxynonanoic acid. It is a metabolite of the nematode Caenorhabditis elegans. It has a role as a Caenorhabditis elegans metabolite. It is a 4-O-(1H-indol-3-ylcarbonyl)ascaroside, a monocarboxylic acid and an omega-hydroxy fatty acid ascaroside. It derives from a 9-hydroxynonanoic acid and an oscr#10.

SMILES: CC1OC(OCCCCCCCCC(=O)O)C(O)CC1OC(=O)c1c[nH]c2ccccc12
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][C][C][=Branch1][C][=O][N][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][C@H1][Branch1][C][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is a beta-D-glucosyl-(1<->1')-N-acylsphinganine in which the acyl group specified is docosanoyl. It has a role as a mouse metabolite. It derives from a docosanoic acid.

SMILES: CCCCCCCCCCCCCCCCCCCCCC(=O)NC(COC1OC(CO)C(O)C(O)C1O)C(O)CCCCCCCCCCCCCCC
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][N][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][=N][N][C][=C][C][=Branch1][C][=O][NH1][C][Ring1][#Branch1][=O][C@H1][Branch1][C][O][C@@H1][Ring1][=C][O][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][C][O]

The molecule is a UDP-amino sugar having N-acetyl-alpha-D-glucosamine as the amino sugar component. It has a role as an Escherichia coli metabolite and a mouse metabolite. It derives from an UDP-D-glucosamine. It is a conjugate acid of an UDP-N-acetyl-alpha-D-glucosamine(2-).

SMILES: CC(=O)NC1C(OP(=O)(O)OP(=O)(O)OCC2OC(n3ccc(=O)[nH]c3=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][N][Branch1][C][C][C][C][C][O][C][=N][N][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][S][Ring1][=Branch1]

The molecule is a member of the class of indazoles carrying benzyl and 3-(dimethylamino)propyl groups at positions 1 and 3 respectively. A locally-acting nonsteroidal anti-inflammatory drug that also exhibits local anaesthetic and analgesic properties. It has a role as a central nervous system stimulant, a non-steroidal anti-inflammatory drug, a hallucinogen, a local anaesthetic and an analgesic. It is a member of indazoles, an aromatic ether and a tertiary amino compound. It is a conjugate base of a benzydamine(1+).

SMILES: CN(C)CCCOc1nn(Cc2ccccc2)c2ccccc12
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][O][C][=Branch1][C][=O][N][C][=C][Branch1][C][I][C][Branch1][=N][C][=Branch1][C][=O][N][C][Branch1][Ring1][C][O][C][O][=C][Branch1][C][I][C][Branch1][=N][C][=Branch1][C][=O][N][C][Branch1][Ring1][C][O][C][O][=C][Ring2][Ring1][Branch2][I]

The molecule is a benzenedicarboxamide compound having N-substituted carbamoyl groups at the 1- and 3-positions, iodo substituents at the 2-, 4- and 6-positions and a (2S)-2-hydroxypropanamido group at the 5-position. It has a role as a radioopaque medium, an environmental contaminant and a xenobiotic. It is a benzenedicarboxamide, an organoiodine compound and a pentol.

SMILES: CC(O)C(=O)Nc1c(I)c(C(=O)NC(CO)CO)c(I)c(C(=O)NC(CO)CO)c1I
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][Branch1][Ring1][C][O][NH1][Ring1][#Branch1]

The molecule is a pyrrole having formyl and hydroxymethyl substituents at positions 2 and 5 respectively; useful as indicator of advanced stages of the Maillard reaction, which produces advanced glycation end-products (AGEs). It has a role as a hapten. It is a member of pyrroles, an aldehyde and an aromatic primary alcohol.

SMILES: O=Cc1ccc(CO)[nH]1