Using CCOC(=O)C(=Cc1ccc(OC)cc1OC)C(=O)OCC, CCCC[Mg]Br to produce CCCCC(c1ccc(OC)cc1OC)C(C(=O)OCC)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.