Using CC(=O)Oc1ccc(C(=O)C(C(C)=O)C(=O)[O-])c(OC(C)=O)c1OC(C)=O to produce Cc1oc2c(O)c(O)ccc2c(=O)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.