Using O=C(Cc1ccc(O)cc1Br)OCc1ccccc1, OB(O)c1ccccc1 to produce O=C(Cc1ccc(O)cc1-c1ccccc1)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.