Using CONS(=O)(=O)c1ccccc1Cl, O=[N+]([O-])c1ccc(Cl)c([N+](=O)[O-])c1 to produce CON(c1ccc([N+](=O)[O-])cc1[N+](=O)[O-])S(=O)(=O)c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.