Using Fc1ccc(C(F)(F)c2nc(S)c3ccc(Br)cc3n2)nc1, CI to produce CSc1nc(C(F)(F)c2ccc(F)cn2)nc2cc(Br)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.