Using C[Mg]Br, CC(=O)c1ccc2c(-c3ccc(F)c(-c4ccccc4C#N)c3)ccnc2n1 to produce CC(C)(O)c1ccc2c(-c3ccc(F)c(-c4ccccc4C#N)c3)ccnc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.