[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=C][C][=C][Branch2][Ring1][C][C][=Branch1][Ring2][=C][Ring1][=Branch1][/C][=C][\\C][=Branch1][C][=O][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (Z)-isomer of 4-(2-carboxyphenyl)-2-oxobut-3-enoic acid. It is a conjugate acid of a (3Z)-4-(2-carboxyphenyl)-2-oxobut-3-enoate(2-)."}]