Using N#Cc1ncc2cc(Cc3ccc(CO)cc3)n(C3CCCCC3)c2n1, BrC(Br)(Br)Br to produce N#Cc1ncc2cc(Cc3ccc(CBr)cc3)n(C3CCCCC3)c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.