[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a dicarboxylic acid dianion and a 2-benzylsuccinate(2-). It is an enantiomer of a (R)-2-benzylsuccinate."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C@@H1][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1]"}]