[{"from": "human", "value": "Describe 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][\\O]"}, {"from": "gpt", "value": "The molecule is a 2-hydroxy-6-oxonona-2,4,7-trienedioic acid having (2E,4Z,7E)-configuration. It is a conjugate acid of a (2E,4Z,7E)-2-hydroxy-6-oxonona-2,4,7-trienedioate(2-)."}]