Using CC(C)(C)N1C(=O)C(NCCCO)=C(c2ccccc2)S1(=O)=O, Cc1ccc(S(=O)(=O)Cl)cc1 to produce CC(C)(C)N1C(=O)C(NCCCCl)=C(c2ccccc2)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.