Using CC(C)(C)OC(=O)N1C2CCC1CC(=O)C2, COC(=O)C#N to produce COC(=O)C1C(=O)CC2CCC1N2C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.