Using CCOC(=O)c1cnn(-c2cc(C)c([N+](=O)[O-])cn2)c1C to produce CCOC(=O)c1cnn(-c2cc(C)c(N)cn2)c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.