Using CCCCCCCCBr, Sc1nc(-c2ccccc2)c(-c2ccccc2)[nH]1 to produce CCCCCCCCSc1nc(-c2ccccc2)c(-c2ccccc2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.