Using Fc1ccc(CCBr)cc1, O=C1c2c3ccccc3nn2CCN1CC1CCNCC1 to produce O=C1c2c3ccccc3nn2CCN1CC1CCN(CCc2ccc(F)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.