Using CN1CCC(C#N)(c2ccccc2Sc2ccc(Cl)cc2)CC1, N#CBr to produce N#CN1CCC(C#N)(c2ccccc2Sc2ccc(Cl)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.