You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
When heated to decomposition it emits acrid smoke and irritating vapors. Use the above information to create a molecule.
user
O=c1c(O)c(-c2cc(O)c(O)c(O)c2)oc2cc(O)cc(O)c12
assistant