You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: When heated to decomposition it emits very toxic fumes of fluorine and nitrogen oxides.
user
[Co+2].[O-]c1cccc(F)c1C=NCCN=Cc1c([O-])cccc1F
assistant