Using Clc1ccccc1C(c1ccccc1)c1ccccc1, Fc1cnc2[nH]nc(Br)c2c1 to produce Fc1cnc2c(c1)c(Br)nn2C(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.