You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: The molecule has Characteristic of halides and ketones. When heated to decomposition it emits toxic vapors of hydrogen chlorid, hydrogen fluoride, and nitrogen oxides.
user
CCOCn1c(-c2ccc(Cl)cc2)c(C#N)c(Br)c1C(F)(F)F
assistant