Using CCOC(=O)CC(C)=O, Br[Mg]c1ccc(Oc2ccccc2)cc1 to produce CCOC(=O)CC(C)(O)c1ccc(Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.