Using Nc1nc(SCc2ccccc2)nc(-c2cc(O)c(Cl)cc2Cl)n1, N#CCBr to produce N#CCOc1cc(-c2nc(N)nc(SCc3ccccc3)n2)c(Cl)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.