Using CCOC(=O)c1c(-c2cccc([N+](=O)[O-])c2)cc(-c2ccccc2)nc1C to produce Cc1nc(-c2ccccc2)cc(-c2cccc([N+](=O)[O-])c2)c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.