Using ClC(Cl)(Cl)C(Cl)(Cl)Cl, C[Si](C)(C)NS(=O)(=O)c1ccccc1 to produce C[Si](C)(C)N=S(=O)(Cl)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.