Using CC#N, N#Cc1c(SCCc2ccccn2)nc(N)nc1-c1ccc(Br)o1 to produce N#CCc1ccc(-c2nc(N)nc(SCCc3ccccn3)c2C#N)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.