Using CC1(C)OB(c2ccc(CBr)cc2)OC1(C)C, [O-][n+]1ccccc1O to produce CC1(C)OB(c2ccc(COn3ccccc3=O)cc2)OC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.