Using BrCc1ccccc1, CC1(C)COC(CC2CCc3c([nH]c4ccccc34)S2)=N1 to produce CC1(C)COC(CC2CCc3c(n(Cc4ccccc4)c4ccccc34)S2)=N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.