Using CN(C)C=O, CC(C)CCN(C(CO[Si](C)(C)C(C)(C)C)c1cc(Br)cs1)S(=O)(=O)c1ccccc1 to produce CC(C)CCN(C(CO[Si](C)(C)C(C)(C)C)c1cc(C=O)cs1)S(=O)(=O)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.