Using CC(=O)c1ccc(OCc2ccc(C(O)c3cccc(C(=O)O)c3)cc2)c(C)c1O, CN(C)S(F)(F)F to produce CC(=O)c1ccc(OCc2ccc(C(F)c3cccc(C(=O)O)c3)cc2)c(C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.