[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][N]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion that is the conjugate base of 2,6-diaminopimelic acid. It has a role as an Escherichia coli metabolite. It is functionally related to a pimelate(2-). It is a conjugate base of a 2,6-diaminopimelic acid."}]