You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Can you create a molecule that matches the given characteristics? When heated to decomposition it emits toxic vapors of nitrogen oxides, hydrogen fluoride ...
user
Cn1cc(-c2ccccc2)c(=O)c(-c2cccc(C(F)(F)F)c2)c1
assistant