You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule has Pungent, suffocating odor. The substance will polymerize unsaturated compounds. The toxic action of the halogenated borons is considerably influenced by their decomposition products (hydrofluoric acid-, fluoboric acid-, hydrochloric acid-). halogenated borons/
user
FB(F)F
assistant