[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a leucine derivative."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][C][C][N][C][=Branch1][C][=O][C@H1][Branch1][#Branch1][C][C][Branch1][C][C][C][N][C][=Branch1][C][=O][C@@H1][C@H1][Branch1][Ring2][O][Ring1][Ring1][C][=Branch1][C][=O][O]"}]