Using Br[Mg]C1CCCCC1, COc1cccc2[nH]cc(C=C3C(=O)OC(C)(C)OC3=O)c12 to produce COc1cccc2[nH]cc(C(C3CCCCC3)C3C(=O)OC(C)(C)OC3=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.