Using CCOC(=O)n1c(C(=O)c2ccccc2)c(NC(C)=O)c2cc([N+](=O)[O-])ccc21 to produce CCOC(=O)n1c(C(=O)c2ccccc2)c(NC(C)=O)c2cc(N)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.