Using CC(=O)Nc1ccc(CN2CC[C@H](NC(=O)C(F)(F)F)C2=O)cc1[N+](=O)[O-] to produce Nc1ccc(CN2CC[C@H](N)C2=O)cc1[N+](=O)[O-], please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.