[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as light yellow liquid with a mild odor. May float or sink and mix 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-1].[C][C][C][C][C][C][C][C][C][C][C][C][O][S][=Branch1][C][=O][=Branch1][C][=O][O-1].[Mg+2]"}]