Using Br[Mg]c1ccccc1, COc1cc(C#N)c(C(=O)N(C)OC)cc1OCc1ccccc1 to produce COc1cc(C#N)c(C(=O)c2ccccc2)cc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.