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-1][/C][=C][\C][=Branch1][#Branch1][=C][/C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is trianion of 3-carboxy-cis,cis-muconic acid arising from deprotonation of all three carboxylic acid functions. It is a conjugate base of a 3-carboxy-cis,cis-muconic acid.

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

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

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

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][I]

The molecule is an organoiodine compound that is tetradecane substituted by an iodo group at position 1. It has a role as a metabolite.

SMILES: CCCCCCCCCCCCCCI
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][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@H1][Branch1][C][O][C][C][C][C][C]

The molecule is a glycophytoceramide comprising (2S,3S,4R)-2-aminononane-1,3,4-triol having an alpha-D-galctopyranosyl residue at the O-1 position and an tetracosanoyl group attached to the nitrogen. It has a role as an epitope. It derives from an alpha-D-galactose.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCC(=O)NC(COC1OC(CO)C(O)C(O)C1O)C(O)C(O)CCCCC
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][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][C][N][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C@H1][Ring1][P][S][C][Ring2][Ring1][Branch2]

The molecule is a semisynthetic, second-generation cephalosporin, with prop-1-enyl and (R)-2-amino-2-(4-hydroxyphenyl)acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. It is used to treat bronchitis as well as ear, skin and other bacterial infections. It has a role as an antibacterial drug. It is a cephalosporin and a semisynthetic derivative.

SMILES: CC=CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(N)c3ccc(O)cc3)C2SC1
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][=N+1][Branch1][C][O-1][C][=C][C][=C][Branch1][=Branch2][As][=Branch1][C][=O][Branch1][C][O][O][C][=C][Ring1][#Branch2]

The molecule is an organoarsonic acid where the organyl group is 4-nitrophenyl. It has a role as an antiprotozoal drug and an agrochemical. It is a C-nitro compound and an organoarsonic acid. It derives from a phenylarsonic acid.

SMILES: O=[N+]([O-])c1ccc([As](=O)(O)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>

[Cl][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=N][N][=C][Branch1][#Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][Cl][N][=N][Ring1][=N]

The molecule is a tetrazine that is 1,2,4,5-tetrazine in which both of the hydrogens have been replaced by o-chlorophenyl groups. It has a role as a mite growth regulator and a tetrazine acaricide. It is an organochlorine acaricide, a member of monochlorobenzenes and a tetrazine. It derives from a hydride of a 1,2,4,5-tetrazine.

SMILES: Clc1ccccc1-c1nnc(-c2ccccc2Cl)nn1
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][Branch2][Ring2][=Branch1][C@@H1][Branch1][#Branch2][C][S][Branch1][C][C][=Branch1][C][=O][=O][N][C][=Branch1][C][=O][C][=C][C][=C][C][Branch1][#Branch1][N][C][Branch1][C][C][=O][=C][Ring1][#Branch2][C][Ring1][=C][=O][=C][C][=C][Ring2][Ring1][O][O][C]

The molecule is a member of the class of isoindoles that is isoindole-1,3-dione substituted at position 4 by an acetamido group and at position 1 by a 1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl group. Used for treatment of psoriatic arthritis. It has a role as a phosphodiesterase IV inhibitor and a non-steroidal anti-inflammatory drug. It is an aromatic ether, a N-acetylarylamine, a sulfone and a member of phthalimides.

SMILES: CCOc1cc(C(CS(C)(=O)=O)N2C(=O)c3cccc(NC(C)=O)c3C2=O)ccc1OC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][S][C][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 1,2-diacyl-sn-glycerol 3-phosphate (sn-phosphatidic acid) in which the acyl groups at positions 1 and 2 are specified as decanoyl and stearoyl respectively. It is a phosphatidic acid, a decanoate ester, an octadecanoate ester and a 1,2-diacyl-sn-glycerol 3-phosphate.

SMILES: CCCCCCCCCCCCCCCCCC(=O)OC(COC(=O)CCCCCCCCC)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@@H1][C][C@@H1][O][C][=Branch1][C][=O][C@@H1][Branch1][C][C][C@H1][Ring1][#Branch1][C@H1][Branch1][C][O][C@][Branch1][C][C][C][=Branch1][C][=O][C][=C][C@@H1][Ring2][Ring1][C][Ring1][#Branch1]

The molecule is a pseudoguaianolide with anti-inflammatory activity isolated from the aerial parts of Inula hupehensis. It has a role as an anti-inflammatory agent and a plant metabolite. It is a gamma-lactone, a cyclic ketone, an organic heterotricyclic compound, a pseudoguaianolide and a secondary alcohol.

SMILES: CC1CC2OC(=O)C(C)C2C(O)C2(C)C(=O)C=CC12
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C][C][C][C][C][C][C][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Ring1][Branch1][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][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][C][C]

The molecule is a phosphatidylcholine 38:1 in which the acyl groups at positions 1 and 2 are specified as (9Z)-octadecenoyl and eicosanoyl respectively. It derives from an icosanoic acid and an oleic acid.

SMILES: CCCCCCCCC=CCCCCCCCC(=O)OCC(COP(=O)([O-])OCC[N+](C)(C)C)OC(=O)CCCCCCCCCCCCCCCCCCC
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][=Branch1][C][=O][O][C][C][C]

The molecule is an octanoate ester resulting from the formal condensation of the carboxy group of octanoic acid (caprylic acid) with the hydroxy group of propan-1-ol. It has a role as a metabolite.

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

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

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

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

The molecule is a member of the family of microcins comprising a heptapeptide covalently liinked to 3-aminopropyl-AMP via an acylphosphoramide linkage. A potent inhibitor of aspartyl-tRNA synthetase. It has a role as an EC 6.1.1.12 (aspartate--tRNA ligase) inhibitor. It derives from an adenosine 5'-monophosphate.

SMILES: CSCCC(NC=O)C(=O)NC(CCCN=C(N)N)C(=O)NC(C(=O)NCC(=O)NC(CC(N)=O)C(=O)NC(C)C(=O)NC(CC(=O)O)C(=O)NP(=O)(OCCCN)OCC1OC(n2cnc3c(N)ncnc32)C(O)C1O)C(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][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][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][C@H1][Branch1][C][N][C][=Branch1][C][=O][O]

The molecule is an 1-acyl-sn-glycero-3-phosphoserine in which the 1-acyl group is specified as arachidonoyl. It derives from an arachidonic acid. It is a conjugate acid of a 1-arachidonoyl-sn-glycero-3-phospho-L-serine(1-).

SMILES: CCCCCC=CCC=CCC=CCC=CCCCC(=O)OCC(O)COP(=O)(O)OCC(N)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][=Branch1][C][=O][C][C][C][Branch1][C][O][C][=Branch1][C][=O][O]

The molecule is a dicarboxylic acid monoamide that is 5-amino-5-oxopentanoic acid carrying a hydroxy group at position 2. It is a metabolite identified in human breast milk. It has a role as a human metabolite. It is a dicarboxylic acid monoamide and a 2-hydroxy monocarboxylic acid. It derives from a glutaramic acid.

SMILES: NC(=O)CCC(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>

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

The molecule is a benzodioxole that consists of piperidine bearing 1,3-benzodioxol-5-yloxy)methyl and 4-fluorophenyl substituents at positions 3 and 4 respectively; the (3S,4R)-diastereomer. Highly potent and selective 5-HT uptake inhibitor that binds with high affinity to the serotonin transporter (Ki = 0.05 nM). Ki values are 1.1, 350 and 1100 nM for inhibition of [3H]-5-HT, [3H]-l-NA and [3H]-DA uptake respectively. Displays minimal affinity for alpha1-, alpha2- or beta-adrenoceptors, 5-HT2A, 5-HT1A, D2 or H1 receptors at concentrations below 1000 nM, however displays weak affinity for muscarinic ACh receptors (Ki = 42 nM). Antidepressant and anxiolytic in vivo. It has a role as an antidepressant, an anxiolytic drug, a serotonin uptake inhibitor, a hepatotoxic agent and a P450 inhibitor. It is a member of piperidines, a member of benzodioxoles, an organofluorine compound and an aromatic ether. It derives from a monofluorobenzene. It is a conjugate base of a paroxetinium(1+).

SMILES: Fc1ccc(C2CCNCC2COc2ccc3c(c2)OCO3)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][Branch1][C][C][Branch1][C][C][C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Ring1][=Branch2][C][C][=C][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][N][Ring1][#Branch2]

The molecule is a member of the class of indoles that is 1H-indole substituted by a 3-methylbut-1-en-3-yl group at position 2 and a [(8aS)-1-oxo-1,2,6,7,8,8a-hexahydropyrrolo[1,2-a]pyrazin-3-yl]methyl group at position 3. It is a member of indoles and a pyrrolopyrazine.

SMILES: C=CC(C)(C)c1[nH]c2ccccc2c1CC1=CN2CCCC2C(=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>

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

The molecule is a trisaccharide that is lactose in which the hydroxy group at position 2 has been converted into the corresponding alpha-D-glucopyranosyl derivative. It derives from a lactose and an alpha-D-Glcp-(1->2)-D-Glcp.

SMILES: OCC1OC(OC2C(O)OC(CO)C(OC3OC(CO)C(O)C(O)C3O)C2O)C(O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][C@@H1][Branch1][P][N][C][=Branch1][C][=O][C][C][C@H1][Branch1][C][NH3+1][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]

The molecule is the conjugate base of L-gamma-glutamyl-D-alanine arising from deprotonation of both carboxy groups and protonation of the glutamyl amino group; major species at pH 7.3. It is a conjugate base of a L-gamma-glutamyl-D-alanine.

SMILES: CC(NC(=O)CCC([NH3+])C(=O)[O-])C(=O)[O-]