[{"from": "human", "value": "Describe this molecule. [C][=Branch1][=Branch1][=C][Branch1][C][F][F][Branch1][=Branch2][C][Branch1][C][F][Branch1][C][F][F][F]"}, {"from": "gpt", "value": "The molecule is an odorless, colorless gas. It is noncombustible. 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."}]