Using COC(=O)c1sccc1N, O=S(=O)(Cl)c1c(Cl)cc(C(F)(F)F)cc1Cl to produce COC(=O)c1sccc1NS(=O)(=O)c1c(Cl)cc(C(F)(F)F)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.