Using FC(F)(F)c1ccc(-c2csc(Cl)n2)cc1, CCOC(=O)Cl to produce CCOC(=O)c1sc(Cl)nc1-c1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.