Using CC(C)(C)N1C(=O)CC(c2ccc(CBr)cc2)S1(=O)=O, O=C(Cc1ccccc1)c1ccccc1 to produce CC(C)(C)N1C(=O)CC(c2ccc(CC(C(=O)c3ccccc3)c3ccccc3)cc2)S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.