[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a member of tetrahydrothiophenes."}, {"from": "gpt", "value": "[C][C@@H1][C@H1][Branch1][#Branch2][C@H1][S][C@@H1][Ring1][Branch1][S][Ring1][Ring2][=O][C]"}]