Using Br[Mg]c1ccccc1, O=C(OCc1ccccc1)N1CC2=NOCC2C1 to produce O=C(OCc1ccccc1)N1CC2CONC2(c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.