Using O=S(=O)(c1cc(F)ccc1O)N1CCOCC1, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce O=S(=O)(c1cc(F)ccc1OS(=O)(=O)C(F)(F)F)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.