Using COc1ccc(N)cc1, O=[N+]([O-])c1cc([N+](=O)[O-])c(Cl)cc1Cl to produce COc1ccc(Nc2cc(Cl)c([N+](=O)[O-])cc2[N+](=O)[O-])cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.