Using Cc1c(C(=O)Cl)cnn1-c1ccc(Cl)cc1, CCCC(N)c1cncc(Br)c1 to produce CCCC(NC(=O)c1cnn(-c2ccc(Cl)cc2)c1C)c1cncc(Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.