Using COc1ccc(CBr)cc1, O=[N+]([O-])c1ccc(Cl)c(O)c1 to produce COc1ccc(COc2cc([N+](=O)[O-])ccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.