[{"from": "human", "value": "Describe this molecule. [C][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][Cl][Branch1][C][F][Branch1][C][F][Cl]"}, {"from": "gpt", "value": "The molecule is a colorless, nearly odorless nonflammable gas. It may be mildly toxic and irritating by inhalation. It can asphyxiate by the displacement of air. Exposure of the container to prolonged heat or fire can cause it to rupture violently and rocket. It is used as a solvent and as a fire extinguishing agent."}]