Using CN(CC(CCCO)c1cccc(Cl)c1)S(=O)(=O)c1ccccc1, BrBr to produce CN(CC(CCCBr)c1cccc(Cl)c1)S(=O)(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.