You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule has Rather unpleasant, irritating odor. Polymerizes with evolution of heat and hydrogen chloride when in contact with all common metals except nickel and lead. Energy of decomposition (in range 290-370 °c) measured as 0.14 kj/g.
user
ClCc1ccccc1
assistant