Using N#CCCl, COc1ccc(Cn2cnc3nc(Cl)[nH]c(=O)c32)cc1 to produce COc1ccc(Cn2cnc3nc(Cl)n(CC#N)c(=O)c32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.