Using CCc1ccc(Cc2cc([C@H]3[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)[C@@H]3O)ccc2Cl)cc1, CC(=O)OC(C)=O to produce CCc1ccc(Cc2cc([C@H]3[C@H](O)[C@@H](O)[C@H](O)[C@@H](COC(C)=O)[C@@H]3O)ccc2Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.