[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][=Branch1][C][S][C][C][O][O]"}, {"from": "gpt", "value": "The molecule has many uses, including as a precursor to the sulfur mustard family of chemical weapons. It is chemically similar to thioglycol and is expected to react in a similar way to this material. See the chemical datasheet for thioglycol for more information."}]