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 allergic disease treatment and a prostaglandin inhibitor, belonging to the crth2 antagonist class of molecules. Use the above information to create a molecule.
user
CCOC(=O)C=Cc1cc2cnc(Cl)cc2n1CC(=O)OC(C)(C)C
assistant