Using O=[N+]([O-])c1ccc(Cl)c([N+](=O)[O-])c1, CONS(=O)(=O)c1c(C)nn(C)c1Cl to produce CON(c1ccc([N+](=O)[O-])cc1[N+](=O)[O-])S(=O)(=O)c1c(C)nn(C)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.