Using CC(=O)Nc1c([N+](=O)[O-])cnn1-c1c(F)c(F)c(C(F)(F)F)c(F)c1F to produce Nc1c([N+](=O)[O-])cnn1-c1c(F)c(F)c(C(F)(F)F)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.