Using COC(=O)c1cc(NC(=O)c2cc([N+](=O)[O-])cn2C)cn1C to produce Cn1cc(NC(=O)c2cc([N+](=O)[O-])cn2C)cc1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.