You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule has Practically odorless. When heated to decomposition it emits very toxic fumes of nitroxides. Please write the SMILES representation of it.
user
CN=C1CN(O)C(c2ccccc2)=c2cc(Cl)ccc2=N1
assistant