Using O=C(Nc1ccc(F)cc1)c1cc2cc([N+](=O)[O-])ccc2n1Cc1ccc(F)cc1F to produce Nc1ccc2c(c1)cc(C(=O)Nc1ccc(F)cc1)n2Cc1ccc(F)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.