Using O=C1CCN(c2nc3c(-c4ccccc4F)nnn3c3ccccc23)CC1, C[Mg]Br to produce CC1(O)CCN(c2nc3c(-c4ccccc4F)nnn3c3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.