Using CI, S=C([S-])N1CCC(Sc2c[nH]c3ccc(Br)cc23)CC1 to produce CSC(=S)N1CCC(Sc2c[nH]c3ccc(Br)cc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.