Using O=C(N(F)Cc1ccccc1)C(F)(F)C1CCc2cc([N+](=O)[O-])ccc21 to produce Nc1ccc2c(c1)CCC2C(F)(F)C(=O)N(F)Cc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.