[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a dipeptide formed from L-leucine and L-proline residues. It has a role as a metabolite. It is functionally related to a L-leucine and a L-proline. It is a tautomer of a Leu-Pro zwitterion."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C@@H1][Branch1][P][C][=Branch1][C][=O][N][C][C][C][C@H1][Ring1][Branch1][C][=Branch1][C][=O][O][N]"}]