[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a solid material, or the solid mixed with water. Insoluble in water and denser than water. Contact with the material may cause irritation to skin, eyes, and mucous membranes. It may be toxic by ingestion."}, {"from": "gpt", "value": "[F][Si-2][Branch1][C][F][Branch1][C][F][Branch1][C][F][Branch1][C][F][F].[Zn+2]"}]