[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][C@@H1][Branch2][Ring1][#Branch1][C][=Branch1][C][=O][N][C][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O][N][C][=Branch1][C][=O][C@@H1][C][C][C][N][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a tetrapeptide composed of L-proline, L-valine, glycine, and L-proline joined by peptide linkages. It has a role as a metabolite. It is functionally related to a L-proline, a L-valine and a glycine."}]