[{"from": "human", "value": "Generate a molecule based on this description. The molecule is an oxo dicarboxylic acid that is pimelic acid carrying a single oxo substituent at position 2. It is functionally related to a pimelic acid. It is a conjugate acid of a 2-oxopimelate(2-)."}, {"from": "gpt", "value": "[C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}]