Using NS(=O)(=O)c1ccc(B(O)O)cc1, CCOC(=O)c1sc(-c2ccc(Cl)cc2)cc1Br to produce CCOC(=O)c1sc(-c2ccc(Cl)cc2)cc1-c1ccc(S(N)(=O)=O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.