Using COC(=O)c1ccc(C(F)(F)F)c([N+](=O)[O-])c1NC(C)=O to produce COC(=O)c1ccc(C(F)(F)F)c([N+](=O)[O-])c1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.