Using O=C(Oc1ccc([N+](=O)[O-])cc1)c1cccnc1Nc1cccc(C(F)(F)F)c1, CCOC(=O)CC#N to produce CCOC(=O)C(C#N)C(=O)c1cccnc1Nc1cccc(C(F)(F)F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.