You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a environmental contaminant. Hazardous decomposition products formed under fire conditions. - carbon oxides The molecule is a herbicide.
user
COc1cc(C=CC(=O)CC(=O)C=Cc2ccc(O)c(OC)c2)ccc1O
assistant