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>

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

The molecule is a tetrapeptide composed of L-cysteine, two L-phenylalanine units and glycine joined in sequence by peptide linkages. It has a role as a metabolite. It derives from a L-cysteine, a L-phenylalanine and a glycine.

SMILES: NC(CS)C(=O)NC(Cc1ccccc1)C(=O)NC(Cc1ccccc1)C(=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>

[N][C][C][S][P][=Branch1][C][=O][Branch1][C][O][O]

The molecule is an organic thiophosphate that is the S-phospho derivative of cysteamine. It is an organic thiophosphate and a primary amino compound. It derives from a cysteamine. It is a conjugate acid of a cysteamine S-phosphate(2-).

SMILES: NCCSP(=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][C][C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@@][Branch1][C][C][C][=Branch2][Ring2][Branch2][=C][C][C@H1][C@@H1][C][C][C@H1][Branch1][S][C@H1][Branch1][C][C][C][C][C@H1][Branch1][C][O][C][Branch1][C][C][C][C@@][Ring1][=C][Branch1][C][C][C][C][C@@H1][Ring2][Ring1][Ring1][Ring2][Ring1][Branch2][C][Ring2][Ring1][N]

The molecule is a sterol ester that is the 3-hexanoyl derivative of (24S)-24-hydroxycholesterol. It is a (24S)-24-hydroxycholesterol ester and a hexanoate ester.

SMILES: CCCCCC(=O)OC1CCC2(C)C(=CCC3C2CCC2(C)C(C(C)CCC(O)C(C)C)CCC32)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][O][C@H1][C][C][O][C@H1][O][C@@H1][C][=C][C][C][C@@H1][C@H1][Branch2][Ring1][N][C][C][C@][Branch1][C][C][C@@H1][Branch1][O][C][=C][C][=Branch1][C][=O][O][C][Ring1][=Branch1][C][C][C@][Ring1][S][Ring1][N][O][C@@][Ring2][Ring1][Branch1][Branch1][C][C][C][C@H1][Ring2][Ring1][#Branch2][O][C@][Ring2][Ring1][=C][Ring2][Ring2][C][O]

The molecule is a steroid lactone isolated from Elaeodendron tangenala and Elaeodendron glaucum and exhibits antiproliferative activity against A2780 human ovarian cancer cells. It has a role as a metabolite and an antineoplastic agent. It is an organic heterohexacyclic compound, a steroid lactone, a lactol, a tertiary alcohol, a butenolide and a cyclic ether.

SMILES: COC1CCOC2OC3C=C4CCC5C(CCC6(C)C(C7=CC(=O)OC7)CCC56O)C4(C)CC3OC12O
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][=N][C][=Branch1][C][=O][C][Branch1][C][F][Branch1][C][F][F][Si][Branch1][C][C][Branch1][C][C][C][Branch1][C][C][Branch1][C][C][C]

The molecule is an N-silyl compound that is N-methyltrifluoroacetamide in which the amide nitrogen is replaced by a tert-butyldimethylsilyl group. It has a role as a chromatographic reagent. It is a monocarboxylic acid amide, a N-silyl compound and a trifluoroacetamide.

SMILES: CN(C(=O)C(F)(F)F)[Si](C)(C)C(C)(C)C
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@H1][Branch1][Ring1][C][O][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C][N+1][Branch1][C][C][Branch1][C][C][C]

The molecule is a lysophosphatidylcholine 16:0 in which the acyl group is specified as palmitoyl (hexadecanoyl) and is located at position 2. It derives from a hexadecanoic acid.

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

The molecule is a naturally-occurring beta-amino acid comprising propionic acid with the amino group in the 3-position. It has a role as an inhibitor, an agonist, a human metabolite, a fundamental metabolite and a neurotransmitter. It is a conjugate acid of a beta-alaninate. It is a tautomer of a beta-alanine zwitterion.

SMILES: NCCC(=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][C][C][C][Branch1][C][C][O][C][=Branch1][C][=O][C][Ring1][=Branch2]

The molecule is a epsilon-lactone that is oxepan-2-one substituted by an isoprenyl group at position 4 and a methyl group at position 7. It derives from a hydride of an oxepane.

SMILES: C=C(C)C1CCC(C)OC(=O)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][C][=O][O-1]

The molecule is a but-2-enoate having a cis- double bond at C-2. It is a but-2-enoate, an unsaturated fatty acid anion and a short-chain fatty acid anion. It is a conjugate base of an isocrotonic acid.

SMILES: CC=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][C][C][C][C][/C][=C][\C][/C][=C][\C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O]

The molecule is a sulfuric ester of (3Z,6Z)-dodeca-3,6-dien-1-ol. It has a role as a Daphnia pulex metabolite and a kairomone. It is a sulfuric ester and an organic sulfate. It is a conjugate acid of a (3Z,6Z)-dodeca-3,6-dien-1-yl sulfate.

SMILES: CCCCCC=CCC=CCCOS(=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].[O].[O].[O].[O].[O][=Se][Branch1][C][O-1][O-1].[Na+1].[Na+1]

The molecule is a hydrate that is the pentahydrate form of disodium selenite. It has a role as a nutraceutical. It contains a disodium selenite.

SMILES: O.O.O.O.O.O=[Se]([O-])[O-].[Na+].[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][C][C][C][C][C][C][Branch1][C][O][C][/C][=C][\C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]

The molecule is a hydroxy fatty acid anion that is the conjugate base of (9Z)-12-hydroxyoctadec-9-enoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a long-chain fatty acid anion and a hydroxy monounsaturated fatty acid anion. It is a conjugate base of a (9Z)-12-hydroxyoctadec-9-enoic acid.

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

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

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

[N][C@@H1][C][C][C][C][C@H1][Ring1][=Branch1][N].[O][=C][Branch1][C][O][C][=Branch1][C][=O][O].[Pt+2]

The molecule is a platinum coordination entity that is a commonly used chemothrepeutic drug for treatment of colorectal cancer. It has a role as an antineoplastic agent and a mutagen.

SMILES: NC1CCCCC1N.O=C(O)C(=O)O.[Pt+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>

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

The molecule is an alkyl-gibberellin that is gibberellin A4 carrying an extra methyl substituent at position 2beta (3beta using gibbane skeletal numbering).

SMILES: C=C1CC23CC1CCC2C12CC(C)C(O)C(C)(C(=O)O1)C2C3C(=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][C@H1][O][C@H1][Branch2][Ring2][#Branch2][O][C@@H1][C@H1][Branch1][C][O][C@H1][Branch2][Ring1][Branch1][O][C@H1][C@H1][Branch1][C][O][C@H1][Branch1][C][O][C@H1][Branch1][C][O][O][C@@H1][Ring1][=Branch2][C][O][O][C@H1][Branch1][Ring1][C][O][C@H1][Ring2][Ring1][Branch1][O][C@@H1][Branch1][C][O][C@@H1][Branch1][C][O][C@@H1][Ring2][Ring1][#C][O]

The molecule is a mannotriose consisting of an alpha-D-mannopyranose residue and two beta-D-mannopyranose residues joined in sequence by (1->3) and (1->4) glycosidic bonds. It is a mannotriose and an alpha-D-Manp-(1->3)-beta-D-Manp-(1->4)-D-Manp.

SMILES: OCC1OC(OC2C(O)C(CO)OC(OC3C(CO)OC(O)C(O)C3O)C2O)C(O)C(O)C1O
You are a professional chemist. Your task is to generate a natural, concise, and chemically accurate description of a given molecule.

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

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

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

The molecule is a member of the class of acetohydroxamic acids that is trimethylenediamine bearing N-hydroxy and N-acetyl substituents. It has a role as a metabolite. It derives from a trimethylenediamine.

SMILES: CC(=O)N(O)CCCN
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][Branch2][Ring2][#Branch2][C][C][=Branch1][C][=O][N][C][C][C][=C][Ring1][Branch1][C][=C][C][Branch2][Ring1][Ring2][C][=C][N][Branch1][C][C][C][=N][C][=N][C][Branch1][C][N][=C][Ring1][O][Ring1][#Branch1][=C][Ring1][P][F][=N][Ring2][Ring1][=C]

The molecule is a pyrrolopyrimidine that is 7-methyl-7H-pyrrolo[2,3-d]pyrimidin-4-amine which has been substituted at position 5 by a 4-fluoro-2,3-dihydro-1H-indol-5-yl group, the nitrogen of which has been acylated by a (6-methylpyridin-2-yl)acetyl group. An orally bioavailable PERK inhibitor. It has a role as an EC 3.1.3.48 (protein-tyrosine-phosphatase) inhibitor, a PERK inhibitor and an antineoplastic agent. It is a pyrrolopyrimidine, a biaryl, a member of indoles, a member of methylpyridines, an organofluorine compound and a tertiary carboxamide.

SMILES: Cc1cccc(CC(=O)N2CCc3c2ccc(-c2cn(C)c4ncnc(N)c24)c3F)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>

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

The molecule is an amino trisaccharide consisting of N-acetyl-alpha-D-glucosamine, beta-D-galactose and N-acetyl-D-glucosamine residues linked sequentially (1->4) and (1->3). It has a role as an epitope. It is an amino trisaccharide and a glucosamine oligosaccharide.

SMILES: CC(=O)NC1C(OC2C(CO)OC(OC3C(O)C(CO)OC(O)C3NC(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][N][=C][C][=C][C][=NH1+1][C][=C][C][=C][Branch1][C][N][C][=C][Ring1][#Branch1][S][C][Ring1][O][=C][Ring1][#C].[Cl-1]

The molecule is an organic chloride salt having 3-amino-7-(methylamino)phenothiazin-5-ium as the counterion. It has a role as a fluorochrome and a histological dye. It contains a 3-amino-7-(methylamino)phenothiazin-5-ium.

SMILES: CN=c1ccc2[nH+]c3ccc(N)cc3sc-2c1.[Cl-]