Using Cc1onc(N(S(=O)(=O)c2ccccc2)S(=O)(=O)c2ccccc2)c1Br to produce Cc1onc(NS(=O)(=O)c2ccccc2)c1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.