Using O=C(N=S(=O)(c1ccc([N+](=O)[O-])cc1)C1CC1)C(F)(F)F to produce Nc1ccc(S(=O)(=NC(=O)C(F)(F)F)C2CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.