Using C/C(=N\S(=O)C(C)(C)C)c1ccc(Cl)nn1, C[Mg]Br to produce CC(C)(NS(=O)C(C)(C)C)c1ccc(Cl)nn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.