Using O=C(O)CSc1ccc(C(=O)Nc2ccc(F)cc2)cn1, OCc1cccc(F)c1 to produce O=C(CSc1ccc(C(=O)Nc2ccc(F)cc2)cn1)OCc1cccc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.