[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a tripeptide composed of two L-leucine units joined to L-alanine by a peptide linkage. It has a role as a metabolite. It is functionally related to a L-leucine and a L-alanine."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][N]"}]