Using COC1=NC(C)=C(C(C)=O)C(c2cc(F)c(F)c(F)c2)N1C(=O)Oc1ccc([N+](=O)[O-])cc1 to produce CC(=O)C1=C(C)NC(=O)N(C(=O)Oc2ccc([N+](=O)[O-])cc2)C1c1cc(F)c(F)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.