Using CC(C)(C)[Si](OC1CCN(c2ccccc2S(=O)(=O)Nc2nccs2)C1=O)(c1ccccc1)c1ccccc1 to produce O=C1C(O)CCN1c1ccccc1S(=O)(=O)Nc1nccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.