Using CC[Mg]Br, CON(C)C(=O)c1oc(-c2ccc(C(F)(F)F)cc2)nc1C to produce CCC(=O)c1oc(-c2ccc(C(F)(F)F)cc2)nc1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.