[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch2][Ring1][=Branch1][C][C][=Branch1][C][=O][N][C@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a dipeptide consisting of a D-gamma-glutamyl residue attached to D-glutamic via a peptide linkage. It is a conjugate acid of a D-gamma-glutamyl-D-glutamate(2-)."}]