Using O=S(=O)(Cl)c1ccccc1, O=C1c2ccccc2C(=O)N1c1cnc2[nH]cc(Br)c2c1 to produce O=C1c2ccccc2C(=O)N1c1cnc2c(c1)c(Br)cn2S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.