[{"from": "human", "value": "Provide a description of this molecule. [C][=Branch1][=N][=C][/C][=Branch1][C][=O][/C][=C][/C][=Branch1][C][=O][O][\\C][=C][Branch1][=Branch1][\\C][=Branch1][C][=O][O-1][/O-1]"}, {"from": "gpt", "value": "The molecule is a dicarboxylic acid dianion arising from deprotonation of both carboxy groups of 2-hydroxy-6-oxonona-2,4,7-trienedioic acid. It is a conjugate base of a 2-hydroxy-6-oxonona-2,4,7-trienedioic acid."}]