Using O=C(NCCN1CCC2(CC1)C(=O)NCN2c1ccc(F)cc1)c1ccc(F)cc1[N+](=O)[O-] to produce Nc1cc(F)ccc1C(=O)NCCN1CCC2(CC1)C(=O)NCN2c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.