Using CCOC(=O)/C(=C/c1ccc(C(F)(F)C(F)(F)F)cc1[N+](=O)[O-])CC#N to produce CCOC(=O)C1=Cc2ccc(C(F)(F)C(F)(F)F)cc2N=C(N)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.