Using C=CCOC(=O)c1cc(N)cc(C(=O)OC)c1, COC(=O)c1cc(C(=O)[O-])cc([N+](=O)[O-])c1 to produce C=CCOC(=O)c1cc(C(=O)OC)cc([N+](=O)[O-])c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.