[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a dicarboxylic acid monoanion."}, {"from": "gpt", "value": "[C][C][=Branch2][Ring1][Ring1][=C][C][NH2+1][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1][C]"}]