Using CC1(C)c2ccccc2-n2c3ccc(Br)cc3c3cc(Br)cc1c32, OB(O)c1ccccc1 to produce CC1(C)c2ccccc2-n2c3ccc(-c4ccccc4)cc3c3cc(-c4ccccc4)cc1c32, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.