Using CON(C)C(=O)[C@@H]1CSC(c2ccc3c(ccn3S(=O)(=O)c3ccccc3)c2)=N1, COc1cc(Br)cc(OC)c1OC to produce COc1cc(C(=O)c2csc(-c3ccc4[nH]ccc4c3)n2)cc(OC)c1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.