Using FC(F)(F)c1cccc(CCl)c1, COCn1ncc2cc(-c3nnc(S)o3)ccc21 to produce COCn1ncc2cc(-c3nnc(SCc4cccc(C(F)(F)F)c4)o3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.