[{"from": "human", "value": "Could you provide a description of this molecule? [C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "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-)."}]