[{"from": "human", "value": "Provide a description of this molecule. [C][Branch2][Ring1][#Branch2][C][C][=Branch1][C][=O][N][C@@H1][Branch1][=Branch1][C][S][C][C][O][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a Glu-Cys-Gly tripeptide derivative of glutathione containing a 2-hydroxyethyl substituent on the S of the Cys residue. It is functionally related to a glutathione."}]