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

The molecule is a steroid ester that is methyl (17E)-pregna-4,17-dien-21-oate substituted by oxo groups at positions 3 and 11. It is a 3-oxo-Delta(4) steroid, an 11-oxo steroid, a steroid ester and a methyl ester. It derives from a hydride of a pregnane.

SMILES: COC(=O)C=C1CCC2C3CCC4=CC(=O)CCC4(C)C3C(=O)CC12C
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][Ring1][Ring2][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][C@H1][Branch2][Ring1][#Branch2][O][C@@H1][O][C@H1][Branch1][Ring1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Ring1][#Branch2][N][C][Branch1][C][C][=O][C@@H1][Branch2][Ring1][Branch1][C][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O][O][C@H1][Ring2][Ring2][N][O]

The molecule is a branched amino tetrasaccharide consisting of N-acetyl-beta-D-glucosamine having two alpha-L-fucosyl residues at the 3- and 6-positions as well as an N-acetyl-beta-D-glucosaminyl residue at the 4-position. It has a role as a carbohydrate allergen. It is a glucosamine oligosaccharide and an amino tetrasaccharide. It derives from an alpha-L-Fucp-(1->3)-[alpha-L-Fucp-(1->6)]-beta-D-GlcpNAc.

SMILES: CC(=O)NC1C(OC2C(COC3OC(C)C(O)C(O)C3O)OC(O)C(NC(C)=O)C2OC2OC(C)C(O)C(O)C2O)OC(CO)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][O][C][=C][C][=C][C][NH1][C][=C][Branch2][Ring2][Ring1][C][/C][=Branch1][O][=N][/O][S][=Branch1][C][=O][=Branch1][C][=O][O-1][S][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][=N][=Ring2][Ring1][=Branch2]

The molecule is an indolylmethylglucosinolate that is the conjugate base of 4-methoxyglucobrassicin, obtained by deprotonation of the sulfo group. It is a conjugate base of a 4-methoxyglucobrassicin.

SMILES: COc1cccc2[nH]cc(CC(=NOS(=O)(=O)[O-])SC3OC(CO)C(O)C(O)C3O)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][N][Branch1][C][C][C][=Branch1][C][=O][C][Branch2][Ring1][O][C][C][N][C][C][C][Branch1][C][O][Branch1][N][C][=C][C][=C][Branch1][C][Cl][C][=C][Ring1][#Branch1][C][C][Ring1][=C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is a synthetic piperidine derivative, effective against diarrhoea resulting from gastroenteritis or inflammatory bowel disease. It has a role as a mu-opioid receptor agonist, an antidiarrhoeal drug and an anticoronaviral agent. It is a member of piperidines, a monocarboxylic acid amide, a member of monochlorobenzenes and a tertiary alcohol. It is a conjugate base of a loperamide(1+).

SMILES: CN(C)C(=O)C(CCN1CCC(O)(c2ccc(Cl)cc2)CC1)(c1ccccc1)c1ccccc1
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][=C][Branch2][Ring2][=C][C][N+1][=C][Branch1][N][C][Branch1][C][O][C][C][C][=Branch1][C][=O][O][S][C][Branch2][Ring1][Ring2][C][C][O][P][=Branch1][C][=O][Branch1][C][O][O][P][=Branch1][C][=O][Branch1][C][O][O][=C][Ring2][Ring1][#Branch1][C][C][Branch1][C][N][=N][Ring2][Ring1][S]

The molecule is a 1,3-thiazolium cation that is 1,3-thiazol-3-ium substituted by a methyl group at position 4, a (4-amino-2-methylpyrimidin-5-yl)methyl group at position 3, a 3-carboxy-1-hydroxypropyl at position 2 and a 2-{[hydroxy(phosphonooxy)phosphoryl]oxy}ethyl group at position 5. It has a role as a human metabolite and a mouse metabolite.

SMILES: Cc1ncc(C[n+]2c(C(O)CCC(=O)O)sc(CCOP(=O)(O)OP(=O)(O)O)c2C)c(N)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][Branch1][C][O][C@@H1][Branch1][C][O][C@H1][Branch1][C][O][C@@H1][Branch1][C][O][C][O]

The molecule is the D-enantiomer of glucitol (also known as D-sorbitol). It has a role as a sweetening agent, a laxative, a metabolite, a cathartic, a human metabolite, a food humectant, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite. It is an enantiomer of a L-glucitol.

SMILES: OCC(O)C(O)C(O)C(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][C][C][C][C][C][C][C][C][C][C][C][C][C][C][/C][=C][\O][C][C@@H1][Branch1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is a 1-(alk-1-enyl)-sn-glycero-3-phosphate in which the alkenyl group is specified as 1Z-octadecenyl. It is a conjugate acid of a 1-(1Z-octadecenyl)-sn-glycero-3-phosphate(2-).

SMILES: CCCCCCCCCCCCCCCCC=COCC(O)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>

[O][=As][Branch1][C][O-1][Branch1][C][O][C][=C][C][=C][C][=C][Ring1][=Branch1]

The molecule is the organoarsonic acid anion formed by loss of a single proton from the arsonic acid grouping in phenylarsonic acid. It is a conjugate base of a phenylarsonic acid.

SMILES: O=[As]([O-])(O)c1ccccc1
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][=Branch1][C][=O][O][C][=Branch1][C][=O][C][C][C][C][C][C][C][C][C][C][C]

The molecule is an acyclic carboxylic anhydride resulting from the formal condensation of the carboxy groups of two molecules of dodecanoic acid. It derives from a dodecanoic acid.

SMILES: CCCCCCCCCCCC(=O)OC(=O)CCCCCCCCCCC
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][Branch1][=Branch1][C][=Branch1][C][=O][O][C][=C][Branch1][C][O-1][C][=C][Ring1][=C][Ring1][#Branch2]

The molecule is a member of the class of naphthoates that is 1-naphthoate substituted at positions 3 and 5 by hydroxy and methyl groups respectively; major species at pH 7.3. It has a role as a bacterial metabolite. It is a conjugate base of a 3-hydroxy-5-methyl-1-naphthoic acid.

SMILES: Cc1cccc2c(C(=O)O)cc([O-])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@H1][Branch1][C][O][C@H1][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is an optically active 9-(phosphonooxy)-10-hydroxy derivative of stearic acid with (9S,10S)-configuration. It is a carboxyalkyl phosphate and a hydroxyalkyl phosphate. It derives from an octadecanoic acid. It is a conjugate acid of a (9S,10S)-10-hydroxy-9-(phosphonatooxy)octadecanoate.

SMILES: CCCCCCCCC(O)C(CCCCCCCC(=O)O)OP(=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][C][Branch1][C][O][O][C@H1][Branch1][Ring1][C][O][C@H1][Branch1][C][O][C@@H1][Ring1][#Branch2][O][C@@H1][O][C@H1][Branch1][Ring1][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@H1][Branch1][C][O][C@H1][Ring2][Ring1][Branch1][O][C@@H1][O][C@@H1][Branch1][C][C][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring1][=Branch2][O]

The molecule is an amino tetrasaccharide that is alpha-L-Fucp-(1->2)-beta-D-Galp-(1->3)-D-GalpNAc in which the hydroxy group at position 4 of the beta-D-galactopyranosyl moiety has been glycosylated by an alpha-D-galactopyranosyl group. It is an amino tetrasaccharide and a member of acetamides. It derives from an alpha-L-Fucp-(1->2)-beta-D-Galp-(1->3)-D-GalpNAc.

SMILES: CC(=O)NC1C(O)OC(CO)C(O)C1OC1OC(CO)C(OC2OC(CO)C(O)C(O)C2O)C(O)C1OC1OC(C)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][Branch1][=Branch1][C][=Branch1][C][=O][O-1][C][=C][C][=C][Branch1][#Branch2][C][C][C][C][C][C][Ring1][Branch1][=O][C][=C][Ring1][=N].[O].[O].[Na+1]

The molecule is a hydrate that is the dihydrate form of loxoprofen sodium. The parent acid, loxoprofen, is a prodrug that is rapidly converted into its active trans-alcohol metabolite following oral administration. It has a role as a non-steroidal anti-inflammatory drug, a non-narcotic analgesic, an EC 1.14.99.1 (prostaglandin-endoperoxide synthase) inhibitor and an antipyretic. It contains a loxoprofen sodium.

SMILES: CC(C(=O)[O-])c1ccc(CC2CCCC2=O)cc1.O.O.[Na+]
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][Branch1][C][Br][C@H1][Branch1][C][O][C@@][Branch1][=Branch1][C][=C][Ring1][Branch2][Br][C][C][Branch2][Ring2][#Branch2][C][=Branch1][C][=O][N][C][C][C][C][N][C][=Branch1][C][=O][C][=N][O][C@@][Branch2][Ring1][C][C][=C][Branch1][C][Br][C][=Branch1][C][=O][C@H1][Branch1][C][Br][C@H1][Ring1][=Branch2][O][C][Ring1][=C][=N][O][Ring2][Ring1][S]

The molecule is an alklaoid obtained from the marine sponge Aplysinella. It has a role as an antineoplastic agent and a marine metabolite. It is a spiro compound, an alpha-bromoketone, an alkaloid, a secondary alcohol, an ether, a methylium and a monocarboxylic acid amide. It derives from a N-substituted putrescine.

SMILES: COC1=C(Br)C(O)C2(C=C1Br)CC(C(=O)NCCCCNC(=O)C1=NOC3(C=C(Br)C(=O)C(Br)C3O)C1)=NO2
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][C][=O][C][=Branch1][C][=O][C][=C][Ring1][Branch2][O]

The molecule is a member of the class of monohydroxy-1,4-benzoquinones that is 2-hydroxy-1,4-benzoquinone carrying an additional methyl substituent at position 5. It is a conjugate acid of a 2-oxido-5-methylquinone.

SMILES: CC1=CC(=O)C(=O)C=C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a limonoid that is the C-17 epimer of azadiradione. It has been isolated from Azadirachta indica. It has a role as a plant metabolite. It is an acetate ester, a cyclic terpene ketone, a member of furans, a limonoid and a tetracyclic triterpenoid.

SMILES: CC(=O)OC1CC2C(C)(C)C(=O)C=CC2(C)C2CCC3(C)C(=CC(=O)C3c3ccoc3)C12C
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@@H1][C][C][C][=C][Branch2][Ring2][=Branch1][C][C][C@][Branch1][C][C][C@@H1][Branch1][P][C@@H1][Branch1][=Branch2][C][C][C][=C][Branch1][C][C][C][C][=Branch1][C][=O][O][C@H1][Branch1][C][O][C][C@@][Ring2][Ring1][Branch1][Ring1][P][C][C@@][Ring2][Ring1][#Branch2][Branch1][C][C][C][C][C][=Branch1][C][=O][O]

The molecule is a tricyclic triterpenoid isolated from Poria cocos. It has a role as a fungal metabolite. It is a dicarboxylic acid, a secondary alcohol and a tricyclic triterpenoid.

SMILES: C=C(C)C1CCC2=C(CCC3(C)C(C(CCC=C(C)C)C(=O)O)C(O)CC23C)C1(C)CCC(=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][N][C][=O]

The molecule is a member of the class of formamides that is formamide substituted by a butyl group at the N atom. It has a role as a human metabolite. It derives from a formamide.

SMILES: CCCCNC=O