Using Nc1ccc(C2CCS(=O)(=O)CC2)cc1Br, OB(O)C1=CCCCC1 to produce Nc1ccc(C2CCS(=O)(=O)CC2)cc1C1=CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.