Using C[Mg]Br, O=Cc1cnc2cc(Oc3cc(-c4ccc(C(F)(F)F)cc4)ncn3)ccc2c1 to produce CC(O)c1cnc2cc(Oc3cc(-c4ccc(C(F)(F)F)cc4)ncn3)ccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.