[{"from": "human", "value": "Describe this molecule. [F][U][Branch1][C][F][Branch1][C][F][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule appears as a colorless volatile white crystalline solid. Highly toxic and corrosive. Radioactive. Emits high energy rays which may be harmful and are detectable only by special instruments. Chemically irritates skin, eyes and mucous membranes. Used to make fuel for nuclear power plants."}]