Using O=[N+]([O-])c1cc(Cl)cc([N+](=O)[O-])c1, Oc1ccc(O)cc1 to produce O=[N+]([O-])c1cc(Cl)cc(Oc2ccc(O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.