Using Oc1cc(C(F)(F)F)nc(S)n1, CCc1ccnc(CC)c1CBr to produce CCc1ccnc(CC)c1CSc1nc(O)cc(C(F)(F)F)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.