Using O=C1NC(=O)c2ccccc21, Cn1c(-c2cncc(CO)c2)c(C#N)c2ccccc21 to produce Cn1c(-c2cncc(CN3C(=O)c4ccccc4C3=O)c2)c(C#N)c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.