Using Fc1cccc(CBr)c1, CC(C)(C)OC(=O)NCc1nnc(-c2ccc(O)cc2)s1 to produce CC(C)(C)OC(=O)NCc1nnc(-c2ccc(OCc3cccc(F)c3)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.