[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=C][C][=Branch1][O][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][C][/C][=C][/C][=Branch1][C][=O][O][C@H1][Branch2][Ring1][C][C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][O][O][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is dicarboxylate anion of 2-O-sinapoyl-D-glucaric acid. It is a conjugate base of a 2-O-sinapoyl-D-glucaric acid."}]