Using CCN(CC)S(F)(F)F, COc1ccc(Cl)cc1C1(O)CCN(Cc2ccccc2)CC1 to produce COc1ccc(Cl)cc1C1(F)CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.