[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][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]"}, {"from": "gpt", "value": "The molecule is an S-substituted glutathione(1-) resulting from the protonation of the primary amino group and the deprotonation of both of the carboxy groups of S-methyl glutathione. The major microspecies at pH 7.3. It is a S-substituted glutathione(1-) and a methyl sulfide. It is functionally related to a glutathionate(1-). It is a conjugate base of a S-methylglutathione zwitterion."}]