Using CCOC(=O)c1c[nH]c2nc(C)ccc2c1=O, NOc1ccc([N+](=O)[O-])cc1[N+](=O)[O-] to produce CCOC(=O)c1cn(N)c2nc(C)ccc2c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.