Using COC(=O)C1CC(C#N)(c2ccc(OC)c3c2OCCO3)CCC1=O to produce COc1ccc(C2(C#N)CCC(=O)CC2)c2c1OCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.