[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch2][Ring1][Branch2][C][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][O-1][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is the conjugate base of L-gamma-glutamyl-L-cysteinyl-beta-alanine having an anionic carboxy terminus and a zwitterionic gamma-glutamyl residue; major species at pH 7.3. It is a conjugate base of a L-gamma-glutamyl-L-cysteinyl-beta-alanine."}]