Using CON(C)C(=O)c1ccc(C(F)(F)F)c(OCC(F)(F)F)c1, C[Mg]Br to produce CC(=O)c1ccc(C(F)(F)F)c(OCC(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.