Using COC(=O)c1ccc(OC(C)c2ccccc2OCc2ccccc2)cc1 to produce CC(Oc1ccc(C(=O)O)cc1)c1ccccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.