Using FC(F)(F)c1ccc(-c2cccc(CBr)n2)cc1, CCOC(=O)COc1ccc(S)cc1C to produce CCOC(=O)COc1ccc(SCc2cccc(-c3ccc(C(F)(F)F)cc3)n2)cc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.