Using COc1ccccc1[Mg]Br, O=C1CCCC2CN(Cc3ccccc3)CC12 to produce COc1ccccc1C1(O)CCCC2CN(Cc3ccccc3)CC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.