[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of hexadecanedioic acid; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a hexadecanedioic acid."}]