Using C=C(C)C(OC(=O)c1cc([N+](=O)[O-])c(F)cc1Cl)C(=O)OCC to produce C=C(C)C(OC(=O)c1cc(N)c(F)cc1Cl)C(=O)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.