Using Cc1ccc(CN2CCC(N3CC[C@H](c4ccc(O)cc4)[C@@H](O)C3)C2=O)cc1F, CCN(CC)S(F)(F)F to produce Cc1ccc(CN2CCC(N3CC[C@H](c4ccc(O)cc4)[C@@H](F)C3)C2=O)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.