Using COc1cccc(-n2cc(C=O)c(-c3ccccc3[N+](=O)[O-])n2)c1, O=[Mn](=O)(=O)[O-] to produce COc1cccc(-n2cc(C(=O)O)c(-c3ccccc3[N+](=O)[O-])n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.