Using CN(C)C=O, O=C(O)c1cc(Br)cc(S(F)(F)(F)(F)F)c1 to produce O=Cc1cc(C(=O)O)cc(S(F)(F)(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.