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

The molecule is a member of the class of (trifluoromethyl)benzenes that is 2,3-difluoro-6-(trifluoromethyl)benzenecarboxamidine in which the hydrogen attached to the imino nitrogen is replaced by a cyclopropylmethoxy group while one of the hydrogens attached to the other nitrogen is replaced by a phenylacetyl group. It is used as a fungicide for the control of powdery mildew in cereal crops as well as in apple and pear orchards. It has a role as an antifungal agrochemical. It is a carboxamidine, an oxime O-ether, a member of (trifluoromethyl)benzenes, a difluorobenzene and an amide fungicide.

SMILES: O=C(Cc1ccccc1)NC(=NOCC1CC1)c1c(C(F)(F)F)ccc(F)c1F
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@H1][Branch1][C][O][C][=Branch1][C][=O][O-1]

The molecule is a (2S)-2-hydroxy fatty acid anion that is the conjugate base of (2S)-2-hydroxytetradecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a (2S)-2-hydroxy monocarboxylic acid anion and a 2-hydroxymyristate. It is a conjugate base of a (2S)-2-hydroxytetradecanoic acid. It is an enantiomer of a (2R)-2-hydroxytetradecanoate.

SMILES: CCCCCCCCCCCCC(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>

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

The molecule is the acetate ester of 2-phenylethanol. It has a role as a metabolite and a Saccharomyces cerevisiae metabolite. It derives from a 2-phenylethanol.

SMILES: CC(=O)OCCc1ccccc1
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@@][O][C][Branch1][#Branch2][/C][=C][/C][C][C][C][C][C][C][O][C@@H1][Ring1][=C][C][C][O][C][Ring1][Ring1][Branch1][Ring1][C][O][C][Branch1][C][O][C][Branch1][C][O][C][C][Branch1][C][C][=C][C][Ring1][#Branch1][C][Ring1][S][Branch1][Branch1][O][Ring2][Ring1][=N][C][Branch1][C][C][C][Ring2][Ring2][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a diterpenoid isolated from the leaves of Daphne mucronata and exhibits anti-tumour and anti-metastatic activities. It has a role as a metabolite, an antineoplastic agent and an apoptosis inducer. It is a diterpenoid, an organic heterohexacyclic compound, an epoxide, a cinnamate ester, a triol and a bridged compound. It derives from a trans-cinnamic acid.

SMILES: C=C(C)C12OC3(C=CCCCCCCC)OC1C1C4OC4(CO)C(O)C4(O)CC(C)=CC4C1(O3)C(C)C2OC(=O)C=Cc1ccccc1
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][Branch1][Ring1][O][C][=C][C][=Branch1][Ring2][=C][Ring1][Branch2][C@@H1][Branch1][C][C][C@H1][Branch1][P][C][=C][C][=C][Branch1][Ring1][O][C][C][Branch1][Ring1][O][C][=C][Ring1][#Branch2][O][Ring1][P]

The molecule is a neolignan that is 5-[(1E)-prop-1-en-1-yl]-2,3-dihydro-1-benzofuran carrying additional 3,4-dimethoxyphenyl, methyl and methoxy substituents at positions 2, 3 and 7 respectively. It has a role as a plant metabolite and a fungal metabolite. It is a member of 1-benzofurans, a dimethoxybenzene, a ring assembly, an olefinic compound and a neolignan.

SMILES: CC=Cc1cc(OC)c2c(c1)C(C)C(c1ccc(OC)c(OC)c1)O2
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][N][C][C][C][C][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][N][C][=C][Branch1][C][C][C][=C][C][=C][Ring1][#Branch1][C].[Cl].[O]

The molecule is the monohydrate form of dextrobupivacaine hydrochloride. It contains a dextrobupivacaine hydrochloride (anhydrous). It is an enantiomer of a levobupivacaine hydrochloride hydrate.

SMILES: CCCCN1CCCCC1C(=O)Nc1c(C)cccc1C.Cl.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][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][O][C@@H1][Branch1][P][N][C][=N][C][=C][Branch1][C][N][N][=C][N][=C][Ring1][#Branch1][Ring1][#Branch2][C@H1][Branch1][C][O][C@@H1][Ring1][S][O]

The molecule is a purine ribonucleoside 5'-monophosphate that is AMP in which one of the phosphate OH groups substituted by a carbamoyl group It derives from an adenosine 5'-monophosphate. It is a conjugate acid of a carbamoyl adenylate(1-).

SMILES: NC(=O)OP(=O)(O)OCC1OC(n2cnc3c(N)ncnc32)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][S][C@H1][Branch1][S][C][N][C][=Branch1][C][=O][C][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C@H1][Ring1][P][C][=Branch1][C][=O][O]

The molecule is a thiazolidinemonocarboxylic acid resulting from nucleophilic cleavage of the beta-lactam ring of benzylpenicillin. It has a role as an epitope. It derives from a benzylpenicillin.

SMILES: CC1(C)SC(CNC(=O)Cc2ccccc2)NC1C(=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][=S][=Branch1][C][=O][N][C][N][C][C][N][Branch1][Ring2][C][Ring1][#Branch1][C][N][Ring1][O][C][Ring1][Branch2]

The molecule is a polycyclic cage that is the S,S-dioxide of 9-thia-1,3,6,8-tetraazatricyclo[4.3.1.1(3,8)]undecane. It is a polycyclic cage and a member of sulfamides.

SMILES: O=S1(=O)N2CN3CCN(C2)CN1C3
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][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Branch1][O][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][O][C@H1][Ring1][=C][O]

The molecule is an organosulfate oxoanion resulting from the removal of a proton from the sulfate group of N-acetyl-beta-D-galactosamine 6-sulfate. It is a conjugate base of a N-acetyl-beta-D-galactosamine 6-sulfate.

SMILES: CC(=O)NC1C(O)OC(COS(=O)(=O)[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][Branch1][C][C][C][=C][C][=Branch1][C][=O][C][=C][Branch2][Ring1][#Branch1][C][C][C@H1][C][Branch1][C][C][Branch1][C][C][C][=Branch1][C][=O][C][C][C@][Ring1][=N][Ring1][=Branch2][C][C][Ring2][Ring1][Ring1][=O]

The molecule is an abietane diterpenoid with formula C20H26O3, originally isolated from Tripterygium hypoglaucum. It has a role as a plant metabolite. It is a member of p-quinones, an abietane diterpenoid, a carbotricyclic compound, a cyclic terpene ketone and a tricyclic diterpenoid.

SMILES: CC(C)C1=CC(=O)C2=C(CCC3C(C)(C)C(=O)CCC23C)C1=O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][=C][C][Branch1][=Branch2][C][Branch1][C][C][Branch1][C][C][C][=C][Branch1][C][O][C][Branch1][C][C][=C][Ring1][N][C][C][=NH1+1][C][C][N][Ring1][Branch1]

The molecule is a carboxamidinium ion resulting from the protonation of the carboxamidine group of oxymetazoline. It is the major species at pH 7.3. It is a conjugate acid of an oxymetazoline.

SMILES: Cc1cc(C(C)(C)C)c(O)c(C)c1CC1=[NH+]CCN1
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][Branch1][C][O][C][C][=C][C][Branch1][C][I][=C][Branch1][C][O][C][Branch1][C][I][=C][Ring1][=Branch2]

The molecule is a 2-hydroxy monocarboxylic acid that is lactic acid substituted by a 4-hydroxy-3,5-diiodophenyl group at position 3. It is an organoiodine compound, a member of phenols and a 2-hydroxy monocarboxylic acid. It derives from a 2-hydroxypropanoic acid. It is a conjugate acid of a 3-(4-hydroxy-3,5-diiodophenyl)lactate.

SMILES: O=C(O)C(O)Cc1cc(I)c(O)c(I)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][=C][C][=C][C][Branch2][=N][=Branch2][C][C@H1][Branch2][Ring2][#Branch1][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][=Branch2][C][C][=C][S][C][=N][Ring1][Branch1][N][C][=Branch1][C][=O][C][N][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][N][C][C][C@H1][Branch1][Ring1][C][N][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][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][Branch1][C][N][=O][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C][C][C][C][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][N][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][C@@H1][Branch1][C][C][O][=C][Ring2][=Branch2][=Branch1]

The molecule is a fifteen-membered glycopeptide comprising glycyl, 3-(1,3-thiazol-4-yl)alanyl, alanyl, glycyl, 3-methylphenylalanyl, (5R)-5-(beta-D-galactopyranosyloxy)lysyl, glycyl. alpha-glutamyl, glutaminyl, glycyl, prolyl, lysyl, glycyl, alpha-glutamyl and threonine residues coupled in sequence.

SMILES: Cc1cccc(CC(NC(=O)CNC(=O)C(C)NC(=O)C(Cc2cscn2)NC(=O)CN)C(=O)NC(CCC(CN)OC2OC(CO)C(O)C(O)C2O)C(=O)NCC(=O)NC(CCC(=O)O)C(=O)NC(CCC(N)=O)C(=O)NCC(=O)N2CCCC2C(=O)NC(CCCCN)C(=O)NCC(=O)NC(CCC(=O)O)C(=O)NC(C(=O)O)C(C)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][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][Ring2][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C][C][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C]

The molecule is a triacyl-sn-glycerol in which the acyl groups at positions 1 and 2 are specified as oleoyl while that at position 3 is specifed as myristoyl. It is a triacyl-sn-glycerol and a tetradecanoate ester. It derives from an oleic acid.

SMILES: CCCCCCCCC=CCCCCCCCC(=O)OCC(COC(=O)CCCCCCCCCCCCC)OC(=O)CCCCCCCC=CCCCCCCCC
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][=C][C][=C][Ring1][=Branch1][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1]

The molecule is a phenylsulfate oxoanion that is the conjugate base of 2-aminophenyl hydrogen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a 2-aminophenyl hydrogen sulfate.

SMILES: Nc1ccccc1OS(=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][O][C][=Branch1][C][=O][C@H1][C@@H1][Branch1][N][C][=C][C][=C][Branch1][C][123I][C][=C][Ring1][#Branch1][C][C@@H1][C][C][C@H1][Ring1][=C][N][Ring1][Branch1][C][C][C][F]

The molecule is an azabicycloalkane that is ecgonine methyl ester in which the N-methyl group is replaced by 3-fluoropropyl and the 3beta-hydroxy group is replaced by 4-((123)I)iodophenyl. Used for the imaging of dopamine transporters in the brain of adult patients with potential Parkinsonian Syndromes. It has a role as a radioactive imaging agent and a radiopharmaceutical. It is an azabicycloalkane, an organofluorine compound and a methyl ester. It derives from an ecgonine.

SMILES: COC(=O)C1C(c2ccc(I)cc2)CC2CCC1N2CCCF
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][NH1][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch2][Ring1][#Branch1]

The molecule is an N-acylserotonin resulting from the formal condensation of the primary amino group of serotonin with the carboxy group of acetic acid. It has a role as a human metabolite, a mouse metabolite, an antioxidant and a tropomyosin-related kinase B receptor agonist. It is a member of acetamides, a member of phenols and a N-acylserotonin.

SMILES: CC(=O)NCCc1c[nH]c2ccc(O)cc12