You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a cox2 inhibitor and is anti inflammatory. Use the above information to create a molecule.
user
O=C(Nc1c(C(=O)c2ccccc2)[nH]c2cc(Cl)ccc12)c1ccc([N+](=O)[O-])o1
assistant