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