Using Cn1nccc1-c1ccc(O)cc1, O=S(=O)(OCC(F)(F)F)C(F)(F)F to produce Cn1nccc1-c1ccc(OCC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.