Using CC(C)(C)OC(=O)N1CC[C@H](Nc2nc(C#N)cc3ccccc23)C1, CI to produce CN(c1nc(C#N)cc2ccccc12)[C@H]1CCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.