Using O=C([O-])[O-], O=C(Nc1cc([N+](=O)[O-])ccc1F)C(F)(F)F to produce CN(C(=O)C(F)(F)F)c1cc([N+](=O)[O-])ccc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.