Using COc1cc2nccc(Oc3ccc(O)cc3)c2cc1OC, CC(C)(C)c1ccc(OB=O)cc1 to produce COc1cc2nccc(Oc3ccc(Oc4ccc(C(C)(C)C)cc4)cc3)c2cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.