Using CC(=O)c1ccccc1, O=C(c1ccccc1)C(O)(CO)c1ccccc1 to produce CC1(c2ccccc2)OCC(C(=O)c2ccccc2)(c2ccccc2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.