Using NS(=O)(=O)c1ccccc1[N+](=O)[O-], COC(=O)c1cc(CCl)c(CCl)s1 to produce COC(=O)c1cc2c(s1)CN(S(=O)(=O)c1ccccc1[N+](=O)[O-])C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.