Using CC(=O)OC(C)=O, COc1ccc2c(c1)C=C(CN)C(c1ccccc1)O2 to produce COc1ccc2c(c1)C=C(CNC(C)=O)C(c1ccccc1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.