Using COC(=O)CCc1ccc(O)cc1, Cc1cc(OC2CCCCO2)ccc1-c1cccc(CO)c1 to produce COC(=O)CCc1ccc(OCc2cccc(-c3ccc(OC4CCCCO4)cc3C)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.