Using COc1ncc(-c2ccc(C(=O)OC(C)(C)C)cc2C)cc1B1OC(C)(C)C(C)(C)O1 to produce COc1ncc(-c2ccc(C(=O)OC(C)(C)C)cc2C)cc1B(O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.