Using CCOC(=O)COc1c(-c2ccccc2)cc(OC(C)=O)cc1-c1ccccc1 to produce CCOC(=O)COc1c(-c2ccccc2)cc(O)cc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.