[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C@@H1][Branch2][Branch1][=Branch2][C@@H1][Branch2][Ring1][Branch1][/C][=C][/C@H1][Branch1][#C][C][/C][=C][\\C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O-1][O][S][C][C@@H1][Branch1][N][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O-1][N][C][=Branch1][C][=O][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O]"}, {"from": "gpt", "value": "The molecule is an peptide anion obtained by deprotonation of the carboxylic acid groups and protonation of the amino group of 11(S),15(S)-dihydroxy-14(R)-(S-glutathionyl)-5(Z),8(Z),12(E)-icosatrienoic acid; major species at pH 7.3. It is a peptide anion and a tricarboxylic acid dianion. It is a conjugate base of an 11(S),15(S)-dihydroxy-14(R)-(S-glutathionyl)-5(Z),8(Z),12(E)-icosatrienoic acid."}]