Using C#C[Mg]Br, CC(C)(C)OC(=O)NC(C)(C=O)c1cccc(Br)c1 to produce C#CC(O)C(C)(NC(=O)OC(C)(C)C)c1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.