You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: When heated to decomp ... emits acrid smoke, fumes.
user
COc1cc2c3c(ccc4c5ccc6c7c(cc(OC)c(c1c34)c75)-c1ccccc1C6=O)C(=O)c1ccccc1-2
assistant