Using C[C@@H]1CNCCN1C(=O)OC(C)(C)C, CC[C@@H](Cl)C(=O)N1CC(C)(C)c2ccc(C#N)cc21 to produce CC[C@@H](C(=O)N1CC(C)(C)c2ccc(C#N)cc21)N1CCN(C(=O)OC(C)(C)C)[C@H](C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.