You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a cox2 inhibitor.
user
O=C(c1ccc(Cl)cc1)c1[nH]c2ccccc2c1C(C(=O)O)C(=O)O
assistant