Using CN(C)C=C(C(=O)C(C)(C)Cc1ccc(Cl)cc1)n1cncn1, CCC[Mg]Br to produce CCCC=C(C(=O)C(C)(C)Cc1ccc(Cl)cc1)n1cncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.