Using COc1ccc(C[C@H]2NC[C@H](O)[C@H]2OC(C)=O)cc1 to produce COc1ccc(C[C@H]2NC[C@H](O)[C@H]2O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.