Using CC(C)[C@]1(C(=O)N2CCN(c3cncc(C(F)(F)F)c3)CC2)CC[C@@H](NC(=O)OC(C)(C)C)C1 to produce CC(C)[C@]1(C(=O)N2CCN(c3cncc(C(F)(F)F)c3)CC2)CC[C@@H](N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.