Using COc1ccc(CN2C(=O)C3(COc4cc(OC)c(C#N)cc43)c3ccccc32)cc1 to produce COc1cc2c(cc1C#N)C1(CO2)C(=O)Nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.