You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a mmp13 inhibitor and belongs to the pain treatment class of molecules. Please represent the molecule in SMILES.
user
O=C(O)c1cc(C(=O)NCc2ccc(F)cc2)ncn1
assistant