Using N=C(N)N, CC1(C)Oc2c(-c3cnc(N)c(C#N)n3)cccc2C1O to produce CC1(C)Oc2c(-c3cnc4nc(N)nc(N)c4n3)cccc2C1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.