[{"from": "human", "value": "Describe this molecule. [C][=Branch1][=Branch2][=C][/C][=C][/C][=Branch1][C][=O][O][\\C][=C][\\C][=C][\\C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a deca-2,4,6,8-tetraenedioic acid."}]