Using CCCCC1OC(=O)c2cc(NC(C)=O)c([N+](=O)[O-])cc21 to produce CCCCC1OC(=O)c2cc(N)c([N+](=O)[O-])cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.