Using CC1(C)OB(c2ccc(O)cc2)OC1(C)C, CC1(CO)COC1 to produce CC1(COc2ccc(B3OC(C)(C)C(C)(C)O3)cc2)COC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.