Using C#Cc1ccc(N)cc1, CCn1c(-c2nc(Br)cnc2N)nc2cnccc21 to produce CCn1c(-c2nc(C#Cc3ccc(N)cc3)cnc2N)nc2cnccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.