[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a dipeptide composed of L-glutamic acid and L-cysteine joined by a peptide linkage. It has a role as a human metabolite. It is functionally related to a L-glutamic acid and a L-cysteine."}, {"from": "gpt", "value": "[C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C@@H1][Branch1][S][C][=Branch1][C][=O][N][C@@H1][Branch1][Ring1][C][S][C][=Branch1][C][=O][O][N]"}]