Using Br[Mg]c1ccccc1, O=Cc1cc2ccnc(N(Cc3ccccc3)Cc3ccccc3)c2[nH]1 to produce OC(c1ccccc1)c1cc2ccnc(N(Cc3ccccc3)Cc3ccccc3)c2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.