Using CCCc1ccc(Cc2sc(C3(OC)O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)cc2C)cc1 to produce CCCc1ccc(Cc2sc([C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O)cc2C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.