Using O=[N+]([O-])c1ccc(O)cc1[N+](=O)[O-], BrCc1ccccc1 to produce O=[N+]([O-])c1ccc(OCc2ccccc2)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.