Using Brc1cc(-c2ccccc2)c(-c2ccccc2)cc1Br, CC(C)OB(OC(C)C)OC(C)C to produce OB(O)c1cc(-c2ccccc2)c(-c2ccccc2)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.