Using Br[Mg]C1CC1, O=C1CN(C(c2ccccc2)c2ccccc2)C1 to produce OC1(C2CC2)CN(C(c2ccccc2)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.