Using CCOC(=O)C1=C(C)NC2=C(C(=O)OC2)C1c1ccccc1[N+](=O)[O-] to produce CCOC(=O)C1=C(C)NC2=C(C(=O)OC2)C1c1ccccc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.