Using N[C@H]1C[C@](O)(CO)[C@@H](O)[C@H](O)[C@H]1O, CC(C)(C)C1=CC(=O)C(=O)C(C(C)(C)C)=C1 to produce O=C1C[C@](O)(CO)[C@@H](O)[C@H](O)[C@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.