Using CN(C)C=O, CC(C)(C)NS(=O)(=O)c1c(Br)cccc1Br to produce CC(C)(C)N1C(O)c2cccc(Br)c2S1(=O)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.