Using O=S(=O)(CCBr)CCBr, N#CCc1ccc([N+](=O)[O-])cc1 to produce N#CC1(c2ccc([N+](=O)[O-])cc2)CCS(=O)(=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.