Using O=[Mn](=O)(=O)[O-], COc1ccc(CCNC(=O)[C@](N)(C(C)C)S(=O)C(C)C)cc1OC to produce COc1ccc(CCNC(=O)[C@](N)(C(C)C)S(=O)(=O)C(C)C)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.