You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule has Sharp, biting characteristic odor. Hazardous polymerization may occur. polymerization may be caused by elevated temperature, oxidizers, peroxides, or sunlight. ... uninhibited monomer vapor may form polymer in vents and other confined spaces. When heated to decomposition it emits acrid and irritating fumes.
user
C=CC(=O)OCCCC
assistant