Using Br[Mg]c1ccccc1, CCOC(=O)/C=C/C(=O)c1ccc(OC)c(OC)c1 to produce COc1ccc(C(=O)/C=C/C(=O)c2ccccc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.