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 toxic fumes of nitrogen oxides.
user
CC=C1CC(C)C(O)(CO)C(=O)OCC2=CC[N+]3(C)CCC(OC1=O)C23O
assistant