[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a colorless liquid with a mild odor, Sinks and mixes with water. (USCG, 1999)"}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O].[C][Branch1][Ring1][C][O][N][Branch1][Ring2][C][C][O][C][C][O]"}]