Using COc1ccc(-n2nc(CO)cc2-c2ccc(C)cc2)cc1, BrP(Br)Br to produce COc1ccc(-n2nc(CBr)cc2-c2ccc(C)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.