You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: When heated to decomp it emits acrid smoke and irritating fumes. The molecule has both a Faint bitter taste and a Mild odor.
user
CCCCOCCOCCOCc1cc2c(cc1CCC)OCO2
assistant