Using O=[Mn](=O)(=O)[O-], CCCCCCCCCCCCCCCCN(C(C)=O)c1ccc(C=O)s1 to produce CCCCCCCCCCCCCCCCN(C(C)=O)c1ccc(C(=O)O)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.