Using Cc1cc(C)c(S(=O)CC(F)(F)F)cc1O, OCCc1ccc(OC(F)(F)F)cc1 to produce Cc1cc(C)c(S(=O)CC(F)(F)F)cc1OCCc1ccc(OC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.