Using C1OCOCO1, Cc1ccc([N+](=O)[O-])c2[nH]ccc(=O)c12 to produce Cc1ccc([N+](=O)[O-])c2[nH]cc(CO)c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.