Using N#CC1(c2ccccc2)CCC(=O)CC1, COc1ccc([Mg]Br)cc1F to produce COc1ccc(C2(O)CCC(C#N)(c3ccccc3)CC2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.