Using N#Cc1c(Nc2ccc(Br)cc2)n[nH]c1N, N=C(N)c1ccccc1 to produce Nc1nc(-c2ccccc2)nc2[nH]nc(Nc3ccc(Br)cc3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.