Using CCCCCCCCOc1ccc(C(=O)Oc2ccc(C=O)cc2)cc1, O=[Mn](=O)(=O)[O-] to produce CCCCCCCCOc1ccc(C(=O)Oc2ccc(C(=O)O)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.