You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule has Pungent, unpleasant odor.. At elevated temp as in fire conditions, polymerization may take place with possible container rupture. acid catalysts, such as lewis type and ziegler type catalysts, sulfuric acid, ferric chloride, and aluminum chloride, may cause violent polymerization.
user
C=CCCl
assistant