Using N#Cc1c(S)nc2c(c1-c1cccs1)CCCCC2, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)c1sc2nc3c(c(-c4cccs4)c2c1N)CCCCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.