Using COC(=O)c1cc(C(F)(F)F)ccc1NS(=O)(=O)C(F)(F)F to produce O=C(O)c1cc(C(F)(F)F)ccc1NS(=O)(=O)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.