Using CC(=O)c1ccc(S(=O)(=O)Nc2cc(Br)cnc2Cl)cc1, C[Mg]Br to produce CC(C)(O)c1ccc(S(=O)(=O)Nc2cc(Br)cnc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.