Using CC(C)(C)c1ccc(CNCC(O)c2ccc(Cl)cc2)cc1, CCN(CC)S(F)(F)F to produce CC(C)(C)c1ccc(CNCC(F)c2ccc(Cl)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.