Using Cc1cc([N+](=O)[O-])ccc1N=C1NC2(CCCC2)CS1, BrCC1CCCCC1 to produce Cc1cc([N+](=O)[O-])ccc1N=C1SCC2(CCCC2)N1CC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.