Using CC(C)CCn1c(Cn2c(=O)n(C3CC3)c3ccncc32)nc2cc(C#N)cnc21 to produce CC(C)CCn1c(Cn2c(=O)n(C3CC3)c3ccncc32)nc2cc(CN)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.