Using BrCC1CCCCC1, Fc1cc2nc(-c3cccnc3Cl)[nH]c2cc1F to produce Fc1cc2nc(-c3cccnc3Cl)n(CC3CCCCC3)c2cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.