Using Cc1nc(-c2ccc(Cl)cc2)cn1C(F)F, O=S(=O)(Cl)Cl to produce Cc1nc(-c2ccc(Cl)cc2)c(Cl)n1C(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.