Using O=Cc1nc(Cn2cc(NC(=O)OCc3ccccc3Cl)cn2)cs1, C[Mg]Br to produce CC(O)c1nc(Cn2cc(NC(=O)OCc3ccccc3Cl)cn2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.