[{"from": "human", "value": "What can you tell me about this molecule? [F][Si-2][Branch1][C][F][Branch1][C][F][Branch1][C][F][Branch1][C][F][F].[K+1].[K+1]"}, {"from": "gpt", "value": "The molecule appears as a white, odorless crystalline powder. Denser than water. Contact may cause irritation to skin, eyes, and mucous membranes. May be toxic by ingestion. Used to make other chemicals."}]