Using CI, O=S(=O)(c1ccc(Cl)cc1)N1C2CC(C3(O)CC3)CC1CC1(C2)OCCO1 to produce COC1(C2CC3CC4(CC(C2)N3S(=O)(=O)c2ccc(Cl)cc2)OCCO4)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.