Using Cc1nc(-c2cn3c(n2)-c2cc(C(C)O)c(F)cc2OCC3)n(C(C)C)n1, BrP(Br)Br to produce Cc1nc(-c2cn3c(n2)-c2cc(C(C)Br)c(F)cc2OCC3)n(C(C)C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.