Using N=C(N)c1ccccn1, CC(C)(C)C(=O)C#Cc1cncc(Br)c1 to produce CC(C)(C)c1cc(-c2cncc(Br)c2)nc(-c2ccccn2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.