Using O=S1(=O)CCNCC1, O=[N+]([O-])c1ccc(CBr)cc1 to produce O=[N+]([O-])c1ccc(CN2CCS(=O)(=O)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.