Using O=Cc1cccc(O)c1, Cc1ccc(S(=O)(=O)[O-])cc1OCC(F)(F)C(F)F to produce O=Cc1cccc(OCC(F)(F)C(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.