Using CCOC(=O)c1ccc(O)c(C#N)c1, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce CCOC(=O)c1ccc(OS(=O)(=O)C(F)(F)F)c(C#N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.