Using Br[Mg]c1ccccc1, Cc1cc(C=O)c2c(N)c(C(N)=O)sc2n1 to produce Cc1cc(C(O)c2ccccc2)c2c(N)c(C(N)=O)sc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.