Using CC1(C)CN(c2ccc(C(F)(F)F)cc2[N+](=O)[O-])C1=O to produce CC1(C)CN(c2ccc(C(F)(F)F)cc2N)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.