Using O=C1CCN(Cc2ccccc2)CC1, Br[Mg]c1ccccc1OCc1ccccc1 to produce OC1(c2ccccc2OCc2ccccc2)CCN(Cc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.