Using Br[Mg]c1ccccc1, COc1ccc(-c2ccc3c(Br)c(OC)ccc3c2)cc1 to produce COc1ccc(-c2ccc3c(-c4ccccc4)c(OC)ccc3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.