[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a piperazinecarboxylic acid."}, {"from": "gpt", "value": "[C][C][O][C][=Branch1][C][=O][N][C][C][N][Branch1][Branch1][C][C][Ring1][=Branch1][/N+1][=Branch2][Ring1][=Branch2][=N][/O][C][=C][Branch1][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1][/O-1]"}]