Using CC(C)(C)OC(=O)N1CCN(C(C)(C#N)c2ccccc2F)CC1 to produce CC(C)(C)OC(=O)N1CCN(C(C)(C)c2ccccc2F)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.