You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? When heated to decomposition it emits very toxic fumes of hydrogen bromide and nitrogen oxides.
user
O=c1[nH]c(=O)n(C2CC(O)C(CO)O2)cc1Br
assistant