Using COC(=O)CCCC1CCCCN1S(=O)(=O)c1ccccc1C(F)(F)F to produce O=C(O)CCCC1CCCCN1S(=O)(=O)c1ccccc1C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.