Using O=C(COC1CCc2oc(-c3ccc(OCC4CC4)c(F)c3)nc2C1)N1CCOCC1, C[Mg]Br to produce CC(O)COC1CCc2oc(-c3ccc(OCC4CC4)c(F)c3)nc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.