[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a thiazolidenedione carrying oxo substituents at positions 2 and 4. It derives from a hydride of a 1,3-thiazolidine."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][N][C][=Branch1][C][=O][S][Ring1][#Branch1]"}]