Using BrBr, N#Cc1cc(F)cc(-c2ccc3c(c2)C2(CCCCC2)C(=O)N3)c1 to produce N#Cc1cc(F)cc(-c2cc(Br)c3c(c2)C2(CCCCC2)C(=O)N3)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.