Using NC(=O)C(=C1Nc2ccc([N+](=O)[O-])cc2S1)c1nccc(C(F)(F)F)n1 to produce NC(=O)C(=C1Nc2ccc(N)cc2S1)c1nccc(C(F)(F)F)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.