Using Cc1noc(-c2ccc(Br)cc2)c1C(C#C[Si](C)(C)C)NS(C)(=O)=O to produce C#CC(NS(C)(=O)=O)c1c(C)noc1-c1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.