You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule has ... mild chemical odor .... When heated to decomposition it emits toxic fumes of hydrogen chloride. Please represent the molecule in SMILES.
user
ClC1=C(Cl)C2(Cl)C3C4C=CC(C4)C3C1(Cl)C2(Cl)Cl
assistant