Using Brc1nn2c(I)cnc2s1, CS(=O)(=O)NCc1cccc(B(O)O)c1 to produce CS(=O)(=O)NCc1cccc(-c2nn3c(I)cnc3s2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.