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

The molecule is a fumarate salt prepared from (S,S)-formoterol by reaction of one molecule of fumaric acid for every two molecules of (S,S)-formoterol. It contains a (S,S)-formoterol(1+). It is an enantiomer of an arformoterol fumarate.

SMILES: COc1ccc(CC(C)NCC(O)c2ccc(O)c(NC=O)c2)cc1.COc1ccc(CC(C)NCC(O)c2ccc(O)c(NC=O)c2)cc1.O=C(O)C=CC(=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][=C][/C][=Branch1][C][=O][O][C]

The molecule is an enoate ester resulting from the formal condensation of both carboxy groups of fumaric acid with methanol. Used for treatment of adults with relapsing forms of multiple sclerosis. It has a role as an immunomodulator and an antipsoriatic. It is an enoate ester, a methyl ester and a diester. It derives from a methanol and a fumaric acid.

SMILES: COC(=O)C=CC(=O)OC
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][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][C][O][C][Branch1][C][C][Branch1][C][C][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]

The molecule is a 3-hydroxy fatty acyl-CoA(4-) arising from deprotonation of the phosphate and diphosphate OH groups of 3-hydroxydecanoyl-CoA; major species at pH 7.3. It is a 3-hydroxy fatty acyl-CoA(4-) and a medium-chain fatty acyl-CoA(4-). It is a conjugate base of a 3-hydroxydecanoyl-CoA.

SMILES: CCCCCCCC(O)CC(=O)SCCNC(=O)CCNC(=O)C(O)C(C)(C)COP(=O)([O-])OP(=O)([O-])OCC1OC(n2cnc3c(N)ncnc32)C(O)C1OP(=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][=Branch1][C][=O][N][C@@H1][Branch1][#Branch2][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O-1]

The molecule is the conjugate base of N-acetyl-L-phenylalanine; major species at pH 7.3. It derives from a L-phenylalaninate. It is a conjugate base of a N-acetyl-L-phenylalanine. It is an enantiomer of a N-acetyl-D-phenylalaninate.

SMILES: CC(=O)NC(Cc1ccccc1)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][C][C][=Branch1][C][=O][N][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][C@H1][Branch1][C][O][/C][=C][/C][C][C][C][C][C][C][C][C][C][C][C][C]

The molecule is a N-hexadecenoylsphingosine-1-phosphocholine in which the amino group of sphingosine is in amide linkage with a 9Z-hexadecenoyl fatty acid. It has a role as a mouse metabolite.

SMILES: CCCCCCC=CCCCCCCCC(=O)NC(COP(=O)([O-])OCC[N+](C)(C)C)C(O)C=CCCCCCCCCCCCCC
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

[C][O][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][O][C][C][N+1][Branch1][C][C][C][C][C][=C][C][=C][Branch1][S][C][Branch1][C][O][=C][Ring1][#Branch1][C@@H1][Ring1][N][C@H1][Ring2][Ring1][Ring1][O][O][C][O][Ring1][O]

The molecule is a quaternary ammonium ion resulting from the methylation of the amino group of (S)-canadine in which the hydrogen at position 1 and the pro-S hydrogen at position 13 have been replaced by hydroxy groups. It derives from a (S)-canadine.

SMILES: COc1ccc2c(c1OC)C[N+]1(C)CCc3cc4c(c(O)c3C1C2O)OCO4
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@@H1][Branch1][C][O][C@@H1][Branch1][=Branch1][C][Branch1][C][C][C][C][C][/C][Branch1][C][C][=C][/C][C][Ring1][#C]

The molecule is a sesquiterpenoid obtained formally from (-)-germacrene A by hydroxylation at position 6 and hydrogenation across the C(11)-C(12) double bond. It is a sesquiterpenoid and a secondary allylic alcohol. It derives from a hydride of a (-)-germacrene A.

SMILES: CC1=CC(O)C(C(C)C)CCC(C)=CCC1
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][C][Branch2][Branch1][S][C][=C][C][=C][Branch2][Ring2][P][C][=C][C][=C][Branch2][Ring2][Branch1][C][=Branch1][C][=O][N][C][C][C][=C][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][Branch1][O][C][C][N][Branch1][C][C][C][C][Ring1][#Branch1][C][O][Ring1][=N][C][=C][Ring2][Ring1][#Branch2][C][Branch1][C][C][=C][Ring2][Ring1][P][=N][O][Ring2][Ring2][=Branch1]

The molecule is a member of the class of benzamides obtained by formal condensation of the carboxy group of 2'-methyl-4'-(5-methyl-1,2,4-oxadiazol-3-yl)biphenyl-4-carboxylic acid with the secondary amino group of 1'-methyl-6,7-dihydro-5H-spiro[furo[2,3-f]indole-3,4'-piperidine]. Selective 5-HT1B receptor antagonist (pKi = 8.2). Displays >60-fold selectivity over 5-HT1D, 5-HT1A, 5-HT1E, 5-HT1F, 5-HT2A and 5-HT2C receptors in radioligand binding and functional assays. Centrally active following oral administration in vivo. It has a role as a serotonergic antagonist. It is an organic heterotetracyclic compound, an azaspiro compound, a 1,2,4-oxadiazole and a member of benzamides. It is a conjugate base of a SB 224289(1+).

SMILES: Cc1nc(-c2ccc(-c3ccc(C(=O)N4CCc5cc6c(cc54)C4(CCN(C)CC4)CO6)cc3)c(C)c2)no1
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][P][/C][=C][/C][=C][C][=C][Branch1][C][O][C][Branch1][C][O][=C][Ring1][Branch2][O][C][C@H1][O][C@@H1][Branch2][Branch1][#Branch1][O][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][=C][Branch1][C][O][C][=C][Ring2][Ring1][Ring1][O+1][=C][Ring2][Ring1][#Branch1][C][=C][C][=C][Branch1][C][O][C][=C][Ring1][#Branch1][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring2][#Branch1][O]

The molecule is an anthocyanin cation. It derives from a pelargonidin. It is a conjugate acid of a pelargonidin 3-O-(6-O-caffeoyl-beta-D-glucoside) 5-O-beta-D-glucoside betaine.

SMILES: O=C(C=Cc1ccc(O)c(O)c1)OCC1OC(Oc2cc3c(OC4OC(CO)C(O)C(O)C4O)cc(O)cc3[o+]c2-c2ccc(O)cc2)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>

[NH3+1][C][C][C][NH2+1][C][C][C@H1][Branch1][C][NH3+1][C][=Branch1][C][=O][O-1]

The molecule is the alpha-amino-acid cation formed from carboxynorspermidine by zwitterion formation between the carboxy and alpha-amino groups and protonation of the nitrogen atoms at positions 5 and 9; the major structure of carboxynorspermidine at pH 7.3. It is a conjugate acid of a carboxynorspermidine.

SMILES: [NH3+]CCC[NH2+]CCC([NH3+])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][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1]

The molecule is an N-acylglycinate that is the conjugate base of N-hexacosanoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a N-acylglycinate and a N-(fatty acyl)-glycine(1-). It is a conjugate base of a N-hexacosanoylglycine.

SMILES: CCCCCCCCCCCCCCCCCCCCCCCCCC(=O)NCC(=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][=N][NH1][C][=Ring1][Branch1]

The molecule is a member of the class of pyrazoles that is 1H-pyrazole substituted by a methyl group at position 4. It has a role as an antidote, a protective agent and an EC 1.1.1.1 (alcohol dehydrogenase) inhibitor. It derives from a hydride of a 1H-pyrazole.

SMILES: Cc1cn[nH]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][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][O][N][C][=Branch1][C][=O][/C][=Branch1][=Branch2][=N][\O][C][C][=Branch1][C][=O][O][C][=C][S][C][Branch1][C][N][=N][Ring1][=Branch1][C@H1][Ring2][Ring1][Branch1][S][C][Ring2][Ring1][N]

The molecule is a third-generation cephalosporin antibiotic bearing vinyl and (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetamido groups at positions 3 and 7, respectively, of the cephem skeleton. It is used in the treatment of gonorrhoea, tonsilitis, pharyngitis, bronchitis, and urinary tract infections. It has a role as an antibacterial drug and a drug allergen.

SMILES: C=CC1=C(C(=O)O)N2C(=O)C(NC(=O)C(=NOCC(=O)O)c3csc(N)n3)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>

[C][C@@H1][O][C@@H1][Branch1][O][O][C][C][C][C][C][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C][C@H1][Ring1][#C][O]

The molecule is a hydroxy fatty acid ascaroside anion resulting from the deprotonation of the carboxy group of oscr#9. The conjugate base of oscr#9 and the major species at pH 7.3. It is a conjugate base of an oscr#9.

SMILES: CC1OC(OCCCCC(=O)[O-])C(O)CC1O
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][=C][/C@@H1][C@@H1][Branch2][Ring1][Ring1][C][/C][=C][\C][C][C][C][=Branch1][C][=O][O][C][C][Branch1][C][O][C][O][C@@H1][Branch1][C][O][C][C@H1][Ring2][Ring1][Ring2][O]

The molecule is a 1-monoglyceride resulting from the condensation of the carboxy group of prostaglandin F2alpha with the 1-hydroxy group of glycerol. It has a role as a human metabolite. It is a 1-monoglyceride, an olefinic compound, a secondary alcohol, a prostaglandins Falpha and a pentol. It derives from a prostaglandin F2alpha.

SMILES: CCCCCC(O)C=CC1C(O)CC(O)C1CC=CCCCC(=O)OCC(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@@H1][O][C@@H1][Branch2][Ring1][O][O][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][C@H1][Branch1][C][O][C][C@H1][Ring2][Ring1][#C][O]

The molecule is a hydroxy fatty acid ascaroside anion resulting from the deprotonation of the carboxy group of oscr#38. The conjugate base of oscr#38 and the major species at pH 7.3. It is a conjugate base of an oscr#38.

SMILES: CC1OC(OCCCCCCCCCCCCCCCCCCCCC(=O)[O-])C(O)CC1O
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@H1][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Ring1][=Branch2][O]

The molecule is a D-galactopyranuronate that has beta configuration at the anomeric centre. It is a conjugate base of a beta-D-galacturonic acid.

SMILES: O=C([O-])C1OC(O)C(O)C(O)C1O