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: When heated to decomposition it emits very toxic fumes of hydrogen chloride and nitrous oxides. The molecule has Slight aromatic odor.
user
C=CC1(C)OC(=O)N(c2cc(Cl)cc(Cl)c2)C1=O
assistant