Using [Br-], CS(=O)(=O)OCCN(CCOc1ccc(C#N)cc1)S(C)(=O)=O to produce CS(=O)(=O)N(CCBr)CCOc1ccc(C#N)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.