Using Nc1cccc(Br)c1, N#Cc1cnc2c(c1Cl)C=C1N=CN=C1C2 to produce N#Cc1cnc2c(c1Nc1cccc(Br)c1)C=C1N=CN=C1C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.