Using Brc1ccc2ccc3c(Br)ccc4ccc1c2c43, Br[Mg]C1CCCCC1 to produce c1cc2ccc3c(C4CCCCC4)ccc4ccc(c1C1CCCCC1)c2c43, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.