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][O][C][C][=C][C][=C][Branch2][Ring1][S][C][=C][C][=N][C][Branch2][Ring1][Ring2][N][C][=C][C][=C][C][Branch1][=Branch2][N][C][C][O][C][C][Ring1][=Branch1][=C][Ring1][N][=N][Ring2][Ring1][Ring1][C][=N][N][Ring2][Ring1][Branch2][N][=Ring2][Ring1][N]

The molecule is a pyrazolopyridazine that is pyrazolo[1,5-b]pyridazine substituted by a 2-[3-(morpholin-4-yl)anilino]pyrimidin-4-yl group at position 3 and an ethoxy group at position 6. It is an aminopyrimidine, a member of morpholines, a secondary amino compound, a tertiary amino compound, a pyrazolopyridazine and an aromatic ether.

SMILES: CCOc1ccc2c(-c3ccnc(Nc4cccc(N5CCOCC5)c4)n3)cnn2n1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a 11beta-hydroxy steroid that is progesterone substituted by a beta-hydroxy group at position 11. It has a role as a human metabolite and a mouse metabolite. It derives from a progesterone.

SMILES: CC(=O)C1CCC2C3CCC4=CC(=O)CCC4(C)C3C(O)CC12C
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@H1][Ring1][Branch1][C][C][C@H1][Ring1][=Branch1][C@][Branch1][=Branch1][C][=Branch1][C][=O][O][C][C][C][C@@][Branch1][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][C@H1][Ring1][=N][C@@H1][Ring2][Ring1][Ring2][C][=Branch1][C][=O][O]

The molecule is a C20-gibberellin that is gibberellin A12 in which the 4a-methyl group is oxidised to the corresponding carboxylic acid. It is a C20-gibberellin and a tricarboxylic acid. It derives from a gibberellin A12. It is a conjugate acid of a gibberellin A25(2-).

SMILES: C=C1CC23CC1CCC2C1(C(=O)O)CCCC(C)(C(=O)O)C1C3C(=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][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][C][=C][Branch1][=Branch2][C][C][C][C][C][C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][S][Ring1][=Branch1]

The molecule is the R-enantiomer of the racemic drug vedaprofen. The racemate is used for control of pain and inflammation particularly associated with chronic musculoskeletal disorders and soft tissue trauma in dogs and horses and for treatment of pain due to horse colic. It is an enantiomer of a (S)-vedaprofen.

SMILES: CC(C(=O)O)c1ccc(C2CCCCC2)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>

[O][=C][Branch1][C][O][C][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a member of the class of phosphonic acids that is phosphonic acid in which the hydrogen attached to the phosphorous is replaced by a carboxymethyl group. It has a role as an antiviral agent and an EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor. It is a monocarboxylic acid and a member of phosphonic acids. It derives from a phosphonic acid and an acetic acid. It is a conjugate acid of a hydrogen phosphonatoacetate(2-).

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

The molecule is a steroid saponin that is sitosterol attached to a 6-O-hexadecanoyl-beta-D-glucopyranosyl residue at position 3 via a glycosidic linkage. It has been isolated from Breynia fruticosa. It has a role as a plant metabolite. It is a fatty acid ester, a steroid saponin, a beta-D-glucoside and a monosaccharide derivative. It derives from a hexadecanoic acid and a sitosterol. It derives from a hydride of a stigmastane.

SMILES: CCCCCCCCCCCCCCCC(=O)OCC1OC(OC2CCC3(C)C(=CCC4C3CCC3(C)C(C(C)CCC(CC)C(C)C)CCC43)C2)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>

[O][=C][C][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][Ring1][Branch2]

The molecule is a 4-oxo monocarboxylic acid anion that is the conjugate base of 3-oxocyclopentanecarboxylic acid, obtained by deprotonation of the carboxy group. It is a conjugate base of a 3-oxocyclopentanecarboxylic acid.

SMILES: O=C1CCC(C(=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>

[N][C][Branch1][#C][C][C][=C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch2][Ring1][=Branch1][C][=Branch1][C][=O][O-1]

The molecule is an alpha-amino-acid anion that is the conjugate base of tryptophan, arising from deprotonation of the carboxy group. It is a conjugate base of a tryptophan.

SMILES: NC(Cc1c[nH]c2ccccc12)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][C][C][C][N][C][C][C][N]

The molecule is a polyazaalkane consisting of a 13-membered straight chain alkane with aza-groups at the 1-, 5-, 9- and 13-positions. It is a polyazaalkane and a tetramine. It is a conjugate base of a 3,3,3-tetraminium(4+).

SMILES: NCCCNCCCNCCCN
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][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O-1][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#C][=O]

The molecule is an organosulfonate oxoanion that is the conjugate base of menadione sulfonic acid, arising from deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a menadione sulfonic acid.

SMILES: CC1(S(=O)(=O)[O-])CC(=O)c2ccccc2C1=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][N][C][Branch2][Ring1][#Branch1][C][C][=C][C][Branch1][Ring1][O][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][N][Cl][=N][C][=C][Branch1][C][N][N][=C][Branch1][C][F][N][=C][Ring1][Branch2][Ring2][Ring1][=Branch2]

The molecule is a member of the class of 6-aminopurines that is 2-fluoroadenine carrying additional 2-chloro-3,4,5-trimethoxybenzyl and pent-4-yn-1-yl substituents at positions 8 and 9 respectively. It has a role as a Hsp90 inhibitor and an antineoplastic agent. It is a member of 6-aminopurines, an organofluorine compound, an acetylenic compound, a member of methoxybenzenes and a member of monochlorobenzenes. It derives from an adenine.

SMILES: C#CCCCn1c(Cc2cc(OC)c(OC)c(OC)c2Cl)nc2c(N)nc(F)nc21
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][O][C@][C@H1][Branch1][=C][O][C][=Branch1][C][=O][C][=C][C][=C][N][=C][Ring1][=Branch1][C@H1][Ring1][#C][C][C@@H1][Branch1][=C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C@][Ring2][Ring1][Branch2][Branch1][C][C][C@@H1][Branch1][=C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C@][Ring2][Ring2][=Branch1][Branch1][C][C][O]

The molecule is a sesquiterpene alkaloid that is isolated from the stem of Tripterygium regelii. It has a role as a plant metabolite. It is a sesquiterpene alkaloid, a benzoate ester, an organic heterotricyclic compound, an oxacycle, a bridged compound, a tertiary alcohol, a pyridine alkaloid and a dihydroagarofuran sesquiterpenoid. It derives from a nicotinic acid.

SMILES: CC1(C)OC23C(OC(=O)c4cccnc4)C1CC(OC(=O)c1ccccc1)C2(C)C(OC(=O)c1ccccc1)CCC3(C)O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][/C][=Branch1][Ring2][=C][/C][=O][C][O]

The molecule is an enal that is 3-methylbut-2-enal carrying a hydroxy substituent at position 4 (the Z-geoisomer. It is an enal and a primary allylic alcohol.

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

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

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

[C][C][=Branch1][C][=O][C@@H1][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]

The molecule is the dianion resulting from the removal of the two acidic protons from the phosphate group of (2S)-2-hydroxy-3-oxobutyl phosphate. It is a conjugate base of a (2S)-2-hydroxy-3-oxobutyl phosphate.

SMILES: CC(=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][C][=C][C][=C][C][=C][Branch1][#Branch2][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C][=C][Ring1][O][O][Ring1][#C]

The molecule is a member of the class of coumarins that is umbelliferone in which the phenolic hydrogen has been replaced by a sulfo group. It has a role as a human xenobiotic metabolite, a human urinary metabolite and a mouse metabolite. It is an aryl sulfate and a member of coumarins. It derives from an umbelliferone. It is a conjugate acid of an umbelliferone sulfate(1-).

SMILES: O=c1ccc2ccc(OS(=O)(=O)O)cc2o1
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@H1][Branch1][C][O][C@@H1][Branch1][C][O][C][/C][=C][\C][/C][=C][\C][/C][=C][\C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a (5Z,8Z,11Z)-14,15-dihydroxyicosatrienoate obtained by deprotonation of the carboxy group of (5Z,8Z,11Z,14S,15S)-14,15-dihydroxyicosatrienoic acid; major species at pH 7.3. It is a conjugate base of a (5Z,8Z,11Z,14S,15S)-14,15-dihydroxyicosatrienoic acid. It is an enantiomer of a (5Z,8Z,11Z,14R,15R)-14,15-dihydroxyicosatrienoate.

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

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

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

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

The molecule is a carbamate ester that is methyl carbamate substituted by a (4-aminophenyl)sulfonyl group at the nitrogen atom. A dihydropteroate synthase inhibitor, it is used (normally as the corresponding sodium salt, asulam-sodium) as a herbicide, mainly for killing bracken. It has a role as an environmental contaminant, a xenobiotic, a herbicide, an agrochemical and an EC 2.5.1.15 (dihydropteroate synthase) inhibitor. It is a sulfonamide, a carbamate ester, a substituted aniline and a primary amino compound. It is a conjugate acid of an asulam(1-).

SMILES: COC(=O)NS(=O)(=O)c1ccc(N)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][N][Branch1][N][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a tertiary amine having one ethyl and two 3-phenylprop-1-yl groups attached to the nitrogen. An antispasmodic that acts directly on intestinal and uterine smooth muscle, it is used (particularly as the citrate salt) in the treatment of irritable bowel syndrome. It has a role as an antispasmodic drug. It is a conjugate base of an alverine(1+).

SMILES: CCN(CCCc1ccccc1)CCCc1ccccc1