Using O=[N+]([O-])c1ccc(Cl)c([N+](=O)[O-])c1, CSc1ccc(O)cc1 to produce CSc1ccc(Oc2ccc([N+](=O)[O-])cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.