You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: When heated to decomposition it emits very toxic fumes of chloride, ammonium, and nitrogen oxides./
user
CCCCCCCCCCCC[N+](C)(C)[O-]
assistant