[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][=Branch1][=Branch1][=C][Branch1][C][F][F][Branch1][#Branch2][O][C][Branch1][C][F][Branch1][C][F][F][F]"}, {"from": "gpt", "value": "The molecule appears as a colorless gas. Heavier than air. Easily liquefied. Contact with the liquid may cause frost bite by evaporative cooling. May asphyxiate by displacing air. A flame may flash back from the source of ignition to the source of a leak. Under prolonged exposure to fire or heat containers may rupture violently and rocket."}]