Using O=C(NCC(O)C1CC1)c1ccc(N2CCN(C(=O)c3ccccc3C(F)(F)F)CC2)nn1 to produce O=C(NCC(=O)C1CC1)c1ccc(N2CCN(C(=O)c3ccccc3C(F)(F)F)CC2)nn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.