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