Using O=C(/C=C/c1ccc(Br)cc1)c1ccnnc1, Cc1ccccc1[Mg]Br to produce Cc1ccccc1C(CC(=O)c1ccnnc1)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.