Using N#Cc1c(-c2ccccc2)nc(N)[nH]c1=S, BrCc1ccccc1 to produce N#Cc1c(SCc2ccccc2)nc(N)nc1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.