Using N#Cc1nc2c(nc1C#N)-c1ccccc1C2=O, CCOC(=O)CC#N to produce CCOC(O)=C(C#N)c1nc2c(nc1C#N)C(=O)c1ccccc1-2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.