[{"from": "human", "value": "Could you provide a description of this molecule? [C][O][S][=Branch1][C][=O][=Branch1][C][=O][O][C]"}, {"from": "gpt", "value": "The molecule is a colorless oily liquid, odorless to a faint onion-like odor. It is very toxic by inhalation. It is a combustible liquid and has a flash point of 182 \u00b0F. It is slightly soluble in water and decomposed by water to give sulfuric acid with evolution of heat. It is corrosive to metals and tissue. It is a potent methylating agent."}]