Using CN(C)C=O, CC(=O)n1c(CCc2ccccc2)cc2c(I)ccnc21 to produce CC(=O)n1c(CCc2ccccc2)cc2c(C#N)ccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.