Using BrCC1CC1, O=C1CCc2cc(OC3CCNCC3)ccc2N1c1ccc(F)cc1 to produce O=C1CCc2cc(OC3CCN(CC4CC4)CC3)ccc2N1c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.