Using CCOC(=O)c1c(O)cc(C(F)(F)F)nc1C(F)(F)F, BrCc1ccccc1 to produce CCOC(=O)c1c(OCc2ccccc2)cc(C(F)(F)F)nc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.