Using CN(C)C=O, Cc1nc(CCC(=O)OC(C)(C)C)ccc1OS(=O)(=O)C(F)(F)F to produce Cc1nc(CCC(=O)OC(C)(C)C)ccc1C#N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.