Using NCc1ccc(F)cc1, Nc1c([N+](=O)[O-])ccc(F)c1F to produce Nc1c([N+](=O)[O-])ccc(NCc2ccc(F)cc2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.