Using BrCc1cc(Br)ccc1OCc1ccccc1, CCOC(=O)c1cc(C(F)(F)F)[nH]n1 to produce CCOC(=O)c1cc(C(F)(F)F)n(Cc2cc(Br)ccc2OCc2ccccc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.