Using O=S(=O)(c1ccc(Br)cc1)C1CCCC1, C#CCCOCCCCCCBr to produce O=S(=O)(c1ccc(C#CCCOCCCCCCBr)cc1)C1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.