Using Nc1nc(N)nc(Cl)n1, CC(=O)c1cc(N)cc(C(C)=O)c1 to produce CC(=O)c1cc(Nc2nc(N)nc(N)n2)cc(C(C)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.