Using CN(C)S(N)(=O)=O, O=C(O)c1cc(Cl)c(F)cc1F to produce CN(C)S(=O)(=O)NC(=O)c1cc(Cl)c(F)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.