Using CC(=O)Nc1cccc(-n2nc(CO)c(=O)n(Cc3ccc(Cl)cc3)c2=O)c1, BrP(Br)Br to produce CC(=O)Nc1cccc(-n2nc(CBr)c(=O)n(Cc3ccc(Cl)cc3)c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.