Using N#Cc1ccc(Br)cc1, CNC1CCC2(C)C(=CCC3C2CCC24CN(C)C(C)C2CCC34)C1 to produce CC1C2CCC3C4CC=C5CC(N(C)c6ccc(C#N)cc6)CCC5(C)C4CCC32CN1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.