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? The molecule has Sweetish. When heated to decomposition it emits toxic fumes of chlorine. Hazardous polymerization may occur. polymerization may be caused by elevated temperature, oxidizing materials, peroxides, or sunlight. usually contains inhibitors to prevent polymerization. uninhibited monomer vapor may form polymer in vents and other confined spaces.
user
ClC=CCl
assistant