Using CS(=O)(=O)Cl, C[Si](C)(C)CCOCn1cc(C(=O)NC2CCCNC2)c2nc(C3CC3)cnc21 to produce C[Si](C)(C)CCOCn1cc(C(=O)NC2CCCN(S(C)(=O)=O)C2)c2nc(C3CC3)cnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.