Using Nc1ccccc1Cl, COc1cccc(-c2cnc(Cl)c(Cl)c2C#N)c1 to produce COc1cccc(-c2cnc(Nc3ccccc3Cl)c(Cl)c2C#N)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.