[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a tripeptide composed of two L-alanine units and a glycine joined by peptide linkages. It has a role as a metabolite. It is functionally related to a L-alanine and a glycine."}, {"from": "gpt", "value": "[C][C@@H1][Branch2][Ring1][Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][C][C][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][O][N]"}]