Using Nc1ccccc1Cl, O=[N+]([O-])c1cc(S(=O)(=O)Cl)ccc1Cl to produce Nc1cc(S(=O)(=O)C2(Cl)C=CC=CC2N)ccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.