Using COC(=O)c1ccc(O)cc1, CC1(C)OC[C@@H](COc2ccc3cc(CO)ccc3c2)O1 to produce COC(=O)c1ccc(OCc2ccc3cc(OC[C@@H]4COC(C)(C)O4)ccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.