Using CCCc1nc2ccnn2c(Cl)c1Cc1ccc(-c2ccccc2C#N)cc1 to produce CCCc1nc2ccnn2cc1Cc1ccc(-c2ccccc2C#N)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.