Using CCCN(CCCCCC(=O)OCC)S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F, [K+] to produce CCCN(CCCCCC(=O)O[K])S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.