Using CN, Nc1ccc(S(=O)(=O)Nc2cc(Cl)nc(Cl)c2)cc1 to produce CNc1cc(NS(=O)(=O)c2ccc(N)cc2)cc(Cl)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.