Using CC(=O)Oc1ccc(-c2c(C)c3ccc(OC(C)=O)cc3oc2=O)cc1 to produce Cc1c(-c2ccc(O)cc2)c(=O)oc2cc(O)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.