[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a piperidinecarboxylate ester that is the methyl ester of 4-hydroxypiperidine-3-carboxylic acid. It has a role as a metabolite. It is a piperidinecarboxylate ester and a secondary alcohol."}, {"from": "gpt", "value": "[C][O][C][=Branch1][C][=O][C][C][N][C][C][C][Ring1][=Branch1][O]"}]