Using Nc1cnc(Cl)c(Br)c1-c1cc(-c2ccc(CN3CCCCC3)cc2)cnc1F to produce Clc1ncc2[nH]c3ncc(-c4ccc(CN5CCCCC5)cc4)cc3c2c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.