[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a piperidinemonocarboxylic acid. It is a conjugate acid of a 1-piperideine-2-carboxylate. It is a tautomer of a 1-piperideine-2-carboxylic acid zwitterion."}, {"from": "gpt", "value": "[C][C][C][N][=C][Branch1][Ring2][C][Ring1][=Branch1][C][=Branch1][C][=O][O]"}]