Using CC(C)(C)OC(=O)N1CC2CCN(c3ccc(OC(F)(F)F)cc3)C(=O)C2C1 to produce O=C1C2CNCC2CCN1c1ccc(OC(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.