[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a C4-dicarboxylic acid. It is functionally related to a succinic acid. It is a conjugate acid of a thiomalate(1-)."}, {"from": "gpt", "value": "[C][Branch1][#Branch2][C][Branch1][=Branch1][C][=Branch1][C][=O][O][S][C][=Branch1][C][=O][O]"}]