You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): When heated to decomposition it emits very toxic fumes of nitrogen oxides, hydrogen fluoride and hydrogen bromides/
user
CN(C)CCCC1(c2ccc(F)cc2)OCc2cc(C#N)ccc21
assistant