Using CN(C)C=O, CCOC(=O)C1c2ccc(OS(=O)(=O)C(F)(F)F)cc2CCN1C(=O)OC(C)(C)C to produce CCOC(=O)C1c2ccc(C#N)cc2CCN1C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.