Using Cc1ccc2c(c1C)N(CCCN)c1ccccc1S2=O, N#CCBr to produce Cc1ccc2c(c1C)N(CCCCC#N)c1ccccc1S2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.