Using CCOC(=O)c1ccc(O)cc1, CCCCCCCOc1ccc(CO)cc1 to produce CCCCCCCOc1ccc(COc2ccc(C(=O)OCC)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.