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