Using N#CCC(N)=S, CC(=O)n1ccc(Nc2nc(C)c(C(=O)CBr)s2)n1 to produce Cc1nc(Nc2cc[nH]n2)sc1-c1csc(CC#N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.