Using O=[N+]([O-])c1cc(Br)ccc1O, CC(C)(C)c1ccc(CBr)cc1 to produce CC(C)(C)c1ccc(COc2ccc(Br)cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.