Using O=C(O)c1cccc(S(=O)(=O)Cl)c1, O=[N+]([O-])c1cccc(S(=O)(=O)CCO)c1 to produce O=C(OCCS(=O)(=O)c1cccc([N+](=O)[O-])c1)c1cccc(S(=O)(=O)Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.