Using CC(C)(C)OC(=O)N1CCC[C@@H](C(=O)O)C1, COCCCNc1cc(C#N)ccc1N to produce COCCCNc1cc(C#N)ccc1NC(=O)[C@@H]1CCCN(C(=O)OC(C)(C)C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.