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

The molecule is a secoiridoid glycoside that is (4aS,5R,6R)-6-hydroxy-5-vinyl-4,4a,5,6-tetrahydro-1H,3H-pyrano[3,4-c]pyran-1-one in which the hydroxy group has been converted to the corresponding 2,3,6-tri-O-acetyl-beta-D-glucoside, the 4-hydroxy group of which has been esterified by formal condensation with the carboxy group of 2,3-dihydroxybenzoic acid 3-beta-D-glucoside. It is a component of Gentiana scabra root extract, which is used as an internal remedy in traditional Korean medicine for the treatment of diabetes mellitus. It is a beta-D-glucoside, an acetate ester, a member of phenols, a delta-lactone, a pyranopyranone and a secoiridoid glycoside.

SMILES: C=CC1C(OC2OC(COC(C)=O)C(OC(=O)c3cccc(OC4OC(CO)C(O)C(O)C4O)c3O)C(OC(C)=O)C2OC(C)=O)OC=C2C(=O)OCCC21
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][Branch2][Ring1][#C][C][=Branch1][C][=O][C@H1][C][O][C@H1][Branch1][S][C][=C][C][=C][Branch1][C][O][C][Branch1][Ring1][O][C][=C][Ring1][=Branch2][C@H1][Ring1][=C][C][O][=C][C][=C][Ring2][Ring1][Branch2][O]

The molecule is a lignan which consists of tetrahydrofuran skeleton substituted by a hydroxymethyl group at position 4, a 4-hydroxy-3-methoxyphenyl group at position 5 and a 4-hydroxy-3-methoxybenzoyl group at position 3. It has been isolated from the roots of Rubia yunnanensis. It has a role as a plant metabolite. It is a lignan, a polyphenol, a primary alcohol, an aromatic ketone, a member of oxolanes and a member of guaiacols.

SMILES: COc1cc(C(=O)C2COC(c3ccc(O)c(OC)c3)C2CO)ccc1O
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][Branch2][Branch1][=Branch2][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][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][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][C][O][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][N][C][C][S][C][=Branch1][C][=O][C][C@H1][Branch1][C][O][C][=Branch1][C][=O][O-1]

The molecule is a acyl-CoA oxoanion that is the pentaanion of (3S)-3-carboxy-3-hydroxypropanoyl-CoA, arising from deprotonation of phosphate, diphosphate and carboxy functions. It is a conjugate base of a (3S)-3-carboxy-3-hydroxypropanoyl-CoA.

SMILES: CC(C)(COP(=O)([O-])OP(=O)([O-])OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=O)([O-])[O-])C(O)C(=O)NCCC(=O)NCCSC(=O)CC(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][N][C][C][=Branch1][C][=O][N][C@H1][Branch1][S][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O][C][O][Ring1][=Branch1][C][NH1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Ring1][=Branch2][C][C@@H1][Ring2][Ring1][=Branch1][C][Ring2][Ring1][O][=O]

The molecule is a pyrazinopyridoindole that is 2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione substituted at position 2 by a methyl group and at position 6 by a 1,3-benzodioxol-5-yl group (the 6R,12aR-diastereomer). A phosphodiesterase V inhibitor inhibitor, currently marketed in pill form for treating erectile dysfunction under the name Cialis; and under the name Adcirca for the treatment of pulmonary arterial hypertension. It has a role as an EC 3.1.4.35 (3',5'-cyclic-GMP phosphodiesterase) inhibitor and a vasodilator agent. It is a pyrazinopyridoindole and a member of benzodioxoles.

SMILES: CN1CC(=O)N2C(Cc3c([nH]c4ccccc34)C2c2ccc3c(c2)OCO3)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][C][C][C][C][C][C][C][N][C][C][Branch1][C][C][O][C][Branch1][C][C][C][Ring1][Branch2]

The molecule is a member of the class of morpholines that is 2,6-dimethylmorpholine in which the hydrogen attached to the nitrogen is replaced by an undecyl group. The configuration at positions 2 and 6 is unknown or unspecified. It has a role as an antifungal agrochemical. It is a member of morpholines and a tertiary amino compound.

SMILES: CCCCCCCCCCCN1CC(C)OC(C)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>

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

The molecule is a member of the class of pyrimidines that is methanol in which the hydrogens of the methyl group have been replaced by pyrimidin-5-yl, phenyl, and 2,4-dichlorophenyl groups, respectively. It is a member of pyrimidines, a tertiary alcohol, an aromatic alcohol and a dichlorobenzene.

SMILES: OC(c1ccccc1)(c1cncnc1)c1ccc(Cl)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@@H1][N][C][N][=C][Branch1][C][N][NH1][C][=Branch1][C][=O][C][=Ring1][Branch2][N+1][=C][N][Branch2][=Branch1][Ring2][C][=C][C][=C][Branch2][Branch1][Branch2][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][O][C@H1][O][C@H1][Branch2][Ring1][#Branch2][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C@@H1][Branch1][C][O][C@H1][Ring2][Ring1][Branch1][O][C][=C][Ring2][Ring2][Branch1][C@H1][Branch1][C][C][C@@H1][Ring2][Branch1][Branch1][Ring2][Ring2][O]

The molecule is a doubly-charged organophosphate oxoanion arising from deprotonation of the carboxy and phosphate OH groups of the cationic species 5,10-(methanylylidene)tetrahydromethanopterin; major species at pH 7.3. It is an organophosphate oxoanion and a dicarboxylic acid dianion. It is a conjugate base of a 5,10-(methanylylidene)tetrahydromethanopterin.

SMILES: CC1Nc2nc(N)[nH]c(=O)c2[N+]2=CN(c3ccc(CC(O)C(O)C(O)COC4OC(COP(=O)([O-])OC(CCC(=O)[O-])C(=O)[O-])C(O)C4O)cc3)C(C)C12
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@@H1][O][C@H1][Ring1][Ring1][/C][=C][/C][=C][/C][=C][\C][/C][=C][\C][C][C][=Branch1][C][=O][O-1]

The molecule is a polyunsaturated fatty acid anion that is the conjugate base of 13S,14S-epoxy-DHA, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a polyunsaturated fatty acid anion, a long-chain fatty acid anion and a docosanoid anion. It is a conjugate base of a (13S,14S)-epoxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid.

SMILES: CCC=CCC=CCC1OC1C=CC=CC=CCC=CCCC(=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][C][C@@][Branch1][C][C][N][=C][Branch2][Ring1][Ring2][C][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2][C][=Branch1][C][=O][O-1][N][C][Ring2][Ring1][Ring1][=O].[NH4+1]

The molecule is an ammonium salt resulting from the formal reaction of the carboxy group of (R)-imazaquin with 1 mol eq. of ammonia. It contains a (R)-imazaquin(1-). It is an enantiomer of a (S)-imazaquin-ammonium.

SMILES: CC(C)C1(C)N=C(c2nc3ccccc3cc2C(=O)[O-])NC1=O.[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>

[C][O][C][=C][C][Branch1][C][O][=C][C][=Branch1][Ring2][=C][Ring1][#Branch1][C@H1][O][C@@H1][Ring1][Ring1][C][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C][=Branch1][C][=O][/C][=C][\C][C@H1][Branch1][C][C][O][C][Ring2][Ring1][Ring2][=O]

The molecule is a macrolide that is isolated from the cultured broth of Hypomyces subiculosus and shows antifungal activity and inhibits the growth of some human cancer cells. It has a role as an EC 2.7.11.24 (mitogen-activated protein kinase) inhibitor, an antineoplastic agent, a fungal metabolite and an antifungal agent. It is a macrolide, an enone, an aromatic ether, an epoxide, a diol, a polyketide, a member of phenols and a secondary alpha-hydroxy ketone.

SMILES: COc1cc(O)c2c(c1)C1OC1CC(O)C(O)C(=O)C=CCC(C)OC2=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][=N][N][Branch2][Ring1][#Branch1][C][=C][Branch1][C][Cl][C][=C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][C][=C][Ring1][O][Cl][C][Branch1][C][N][=C][Ring2][Ring1][C][S][C][Branch1][C][F][Branch1][C][F][F]

The molecule is a member of the class of pyrazoles that is 1H-pyrazole that is substituted at positions 1, 3, 4, and 5 by 2,6-dichloro-4-(trifluoromethyl)phenyl, cyano, (trifluoromethyl)sulfanyl, and amino groups, respectively. It is a metabolite of the agrochemical fipronil. It has a role as a marine xenobiotic metabolite. It is a member of pyrazoles, a dichlorobenzene, a member of (trifluoromethyl)benzenes, an organic sulfide and a nitrile.

SMILES: N#Cc1nn(-c2c(Cl)cc(C(F)(F)F)cc2Cl)c(N)c1SC(F)(F)F
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][C][C][C][C][C][Branch1][C][O][C][O]

The molecule is a glycol that is triacontane bearing two hydroxy substituents located at positions 1 and 2. It derives from a hydride of a triacontane.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCCCCC(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>

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

The molecule is dicarboxylate anion of 5-(3-carboxy-3-oxopropenyl)-4,6-dihydroxypyridine-2-carboxylic acid; major species at pH 7.3. It is a conjugate base of a 5-(3-carboxy-3-oxopropenyl)-4,6-dihydroxypyridine-2-carboxylic acid.

SMILES: O=C(O)C(=O)C=Cc1c([O-])cc(C(=O)[O-])[nH]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][C][C][C][C][C][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][N][C][O]

The molecule is a sphingoid obtained by formal hydrogenation of the C=C bond of tetradecasphingosine It is a sphingoid and an aminodiol. It is a conjugate base of a tetradecasphinganine(1+).

SMILES: CCCCCCCCCCCC(O)C(N)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][NH1+1][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 an ammonium ion resulting from the protonation of the nitrogen of alvarine. It is a conjugate acid of an alverine.

SMILES: CC[NH+](CCCc1ccccc1)CCCc1ccccc1
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][N][C@@H1][Branch2][Ring1][=Branch1][C][O][C][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 glycodihydroceramide that is a sphinganine derivative having a D-galactosyl group at the 1-position and a hexadecanoyl group attached to the nitrogen. It has a role as a hapten.

SMILES: CCCCCCCCCCCCCCCC(=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][C][C][C][C][C][C][C][=C][C][=C][Branch2][Ring1][Branch1][C][C][C][Branch1][C][N][Branch1][Ring1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C][=C][Ring2][Ring1][C]

The molecule is a primary amino compound that is fingolimod in which one on the hydroxy groups has been converted into its dihydrogen phosphate derivative. It is the active metabolite of fingolimod. It has a role as an antineoplastic agent, an immunosuppressive agent and a sphingosine-1-phosphate receptor agonist. It is a monoalkyl phosphate, a primary amino compound and a primary alcohol. It derives from a fingolimod.

SMILES: CCCCCCCCc1ccc(CCC(N)(CO)COP(=O)(O)O)cc1