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

The molecule is an aminotetrasaccharide consisting of two units of 2-acetamido-2-deoxy-4-O-sulfo-beta-D-galactopyranosyl-(1->4)-beta-D-glucopyranuronic acid joined together by a (1->3') glycosidic linkage. It is an oligosaccharide sulfate, an amino tetrasaccharide and a member of acetamides.

SMILES: CC(=O)NC1C(OC2C(C(=O)O)OC(OC3C(NC(C)=O)C(OC4C(C(=O)O)OC(O)C(O)C4O)OC(CO)C3OS(=O)(=O)O)C(O)C2O)OC(CO)C(OS(=O)(=O)O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is the 2',4',5',7'-tetrabromo-5-isothiocyanato derivative of fluorescein; exhibits phosphorescence with an emission maximum at ~680 nm. It is an organobromine compound, a fluorescein and an isothiocyanate.

SMILES: O=C1OC2(c3ccc(N=C=S)cc31)c1cc(Br)c(O)c(Br)c1Oc1c2cc(Br)c(O)c1Br
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][Branch1][C][O][O][C@H1][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][C@@H1][Branch1][C][O][C@@H1][Ring1][=C][O][C@H1][Branch1][C][C][C][=Branch1][C][=O][O-1]

The molecule is an organophosphate oxoanion that is a trianion arising from deprotonation of the phosphate and carboxylic acid functions of N-acetylmuramic acid 6-phosphate. It is an organophosphate oxoanion, a monocarboxylic acid anion and a carbohydrate acid derivative anion. It is a conjugate base of a N-acetylmuramic acid 6-phosphate.

SMILES: CC(=O)NC1C(O)OC(COP(=O)([O-])[O-])C(O)C1OC(C)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][C][Branch1][C][O][C][C][C][=C][C][=C][C][Branch2][Ring1][=Branch1][C][=Branch1][C][=O][N][C][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Branch1][C][O][C][Ring1][O][=C][Ring2][Ring1][Ring1]

The molecule is an isoquinolol that is 1,2,3,4-tetrahydroisoquinolin-4-ol in which the hydrogen of the secondary amine is substituted by a 3-(3-hydroxy-3-methylbutyl)benzoyl group. It is a tertiary carboxamide, a tertiary alcohol, a secondary alcohol, an isoquinolinol and a member of benzamides.

SMILES: CC(C)(O)CCc1cccc(C(=O)N2Cc3ccccc3C(O)C2)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][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][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][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 3-oxo-fatty acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of (11Z,14Z)-3-oxoicosa-11,14-dienoic acid. It is a 3-oxo-fatty acyl-CoA, a long-chain fatty acyl-CoA and an unsaturated fatty acyl-CoA. It derives from an icosanoyl-CoA. It is a conjugate acid of an (11Z,14Z)-3-oxoicosa-11,14-dienoyl-CoA(4-).

SMILES: CCCCCC=CCC=CCCCCCCCC(=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][O][C][=C][C][Branch1][C][O][=C][C][=Branch1][C][=O][O][C][=C][Branch1][#Branch1][C][Ring1][#Branch1][=C][Ring1][N][C@@][Branch1][C][C][Branch1][C][O][C][C@@H1][Branch1][Ring1][O][C][C@@][Ring1][N][C][C@@H1][Branch1][C][O][C][=Branch1][C][=O][O][Ring1][#Branch1]

The molecule is a benzochromene that is benzo[c]chromen-6-one which is substituted by hydroxy groups at positions 1, 4 and 7, methoxy groups at positions 3 and 9, a methyl group at position 1, and a 2-carboxy-2-hydroxyethyl group at position 4, and in which the carboxy group has undergone condensation with the 4-hydroxy group to afford the corresponding spirocyclic lactone. It is active against the pathogenic bacteria Agrobacterium tumefaciens, Bacillus subtilis, Pseudomonas lachrymans, Ralstonia solanacearum, Staphylococcus hemolyticus, and Xanthomonas vesicatoria, with MIC values in the range 25-100 mug/mL. It has a role as an antifungal agent and a fungal metabolite. It is an oxaspiro compound, a benzochromene, a secondary alcohol, a tertiary alcohol and a gamma-lactone.

SMILES: COc1cc(O)c2c(=O)oc3c(c2c1)C(C)(O)CC(OC)C31CC(O)C(=O)O1
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a palmitate ester resulting from the formal condensation of the carboxy group of palmitic acid with the hydroxy group of tetradecan-1-ol. It has a role as a bacterial metabolite and a fungal xenobiotic metabolite. It is a hexadecanoate ester and a wax ester. It derives from a tetradecan-1-ol.

SMILES: CCCCCCCCCCCCCCCC(=O)OCCCCCCCCCCCCCC
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][N][=N][C][C][C][C@H1][Branch1][S][N][C][=Branch1][C][=O][C@@H1][Branch1][C][N][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]

The molecule is a dipeptide composed of L-aspartic acid and L-arginine joined by a peptide linkage. It has a role as a metabolite. It derives from a L-aspartic acid and a L-arginine.

SMILES: NC(N)=NCCCC(NC(=O)C(N)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][Branch1][C][O][C][C]

The molecule is an aliphatic alcohol that is octane substituted by a hydroxy group at position 3. It has a role as a metabolite. It is an aliphatic alcohol and an octanol.

SMILES: CCCCCC(O)CC
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][N][C][Branch1][C][N][=O][C][=Branch1][C][=O][O-1]

The molecule is an N-acyl-L-alpha-amino acid anion that is the conjugate base of N-acetyl-L-citrulline, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a N-acetyl-L-citrulline.

SMILES: CC(=O)NC(CCCNC(N)=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>

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

The molecule is an optically active form of [2,8-bis(trifluoromethyl)quinolin-4-yl]-(2-piperidyl)methanol having (+)-(11R,2'S)-erythro-configuration. An antimalarial agent, used in racemic form, which acts as a blood schizonticide; its mechanism of action is unknown. It has a role as an antimalarial. It is an enantiomer of a (-)-(11S,2'R)-erythro-mefloquine.

SMILES: OC(c1cc(C(F)(F)F)nc2c(C(F)(F)F)cccc12)C1CCCCN1
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][NH1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][C][=Ring1][O][O]

The molecule is a quinolone consisting of quinolin-4(1H)-one carrying a heptyl substituent at position 2 and a hydroxy group at position 3. It has a role as a signalling molecule.

SMILES: CCCCCCCc1[nH]c2ccccc2c(=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][=C][C][=C][Branch2][Ring1][=N][C][Branch1][C][C][N][C][=Branch1][C][=O][C@@H1][Branch1][N][N][C][=Branch1][C][=O][O][C][Branch1][C][C][C][C][Branch1][C][C][C][C][=C][Ring2][Ring1][=Branch1]

The molecule is a diastereoisomeric mixture comprising equimolar amounts of L-(R)- and L-(S)-iprovalicarb. It is a systemic fungicide, specific to oomycetes, used on potatoes and grape vines. It has a role as an environmental contaminant, a xenobiotic and an antifungal agrochemical. It is a diastereoisomeric mixture, a valinamide fungicide and a carbamate fungicide. It contains a L-(R)-iprovalicarb and a L-(S)-iprovalicarb.

SMILES: Cc1ccc(C(C)NC(=O)C(NC(=O)OC(C)C)C(C)C)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>

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

The molecule is a tartrate(1-). It is a conjugate base of a L-tartaric acid. It is a conjugate acid of a L-tartrate(2-). It is an enantiomer of a D-tartrate(1-).

SMILES: O=C([O-])C(O)C(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][Branch1][C][O][=C][C][=Branch1][C][=O][O][Ring1][Branch2]

The molecule is a pyranone that is 2H-pyran-2-one in which the hydrogens at positions 4 and 6 are substituted by hydroxy and pentyl groups respectively. It has a role as a metabolite. It is a polyketide and a member of 2-pyranones.

SMILES: CCCCCc1cc(O)cc(=O)o1
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][Branch2][Ring2][Branch2][N][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Branch1][C][N][C][Branch1][=Branch2][S][=Branch1][C][=O][=Branch1][C][=O][O][=C][C][=Branch1][=Branch1][=C][Ring1][#C][Ring1][O][C][Ring2][Ring1][Ring1][=O][C][=C][Ring2][Ring1][#Branch2]

The molecule is a member of the class of benzoisoquinolines that is 1,3-dioxo-2,3-dihydro-1H-benzo[de]isoquinoline-5-sulfonic acid substituted by 4-tolyl and amino groups at positions 2 and 6 respectively. The monosodium salt is the biological stain 'lissamine flavine FF'. It is a benzoisoquinoline, an arenesulfonic acid, an aromatic amine and a dicarboximide. It is a conjugate acid of a lissamine flavine FF(1-).

SMILES: Cc1ccc(N2C(=O)c3cccc4c(N)c(S(=O)(=O)O)cc(c34)C2=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>

[O].[O].[O].[O].[O][=S][=Branch1][C][=O][Branch1][C][O-1][O-1].[Be+2]

The molecule is a hydrate of beryllium sulfate containing beryllium (in +2 oxidation state), sulfate and water moieties in the ratio 1:1:4. It contains a beryllium sulfate.

SMILES: O.O.O.O.O=S(=O)([O-])[O-].[Be+2]
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@@H1][Branch1][C][O][C][O]

The molecule is an optically active form of glyceric acid having L-configuration. It is a glyceric acid and a (2S)-2-hydroxy monocarboxylic acid. It is an enantiomer of a D-glyceric acid.

SMILES: O=C(O)C(O)CO