Using Cc1cc(Cl)n2c(C#N)cc(-c3c(C)cc(Br)cc3C)c2n1, CCCC(N)CCC to produce CCCC(CCC)Nc1cc(C)nc2c(-c3c(C)cc(Br)cc3C)cc(C#N)n12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.