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 pain treatment. Use the above information to create a molecule.
user
Cc1c(CCOCCOC2CCCCO2)cc(-c2ccc(S(C)(=O)=O)cc2)n1-c1cccc(F)c1
assistant