Using COC(=O)c1c[nH]c(=O)c(Cl)c1, O=C(O)C(F)(F)S(=O)(=O)F to produce COC(=O)c1cnc(OC(F)F)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.