Using CCOP(=O)(CC#N)OCC, CC(C)OC(=O)C1(C(=O)OC(C)C)CC(=O)C1 to produce CC(C)OC(=O)C1(C(=O)OC(C)C)CC(=CC#N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.