[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a dicarboxylic acid dianion. It is a conjugate base of an isochorismic acid."}, {"from": "gpt", "value": "[C][=C][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O][C@H1][C][=C][C][=C][Branch1][Branch1][C@@H1][Ring1][=Branch1][O][C][=Branch1][C][=O][O-1]"}]