Using O=[Mn](=O)(=O)[O-], O=Cc1ccc2scc(CCNC(=O)C3CCCCC3)c2c1 to produce O=C(O)c1ccc2scc(CCNC(=O)C3CCCCC3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.