Using CC(C)(C)OC(=O)N1CCC(S(=O)(=O)c2ccc(Cl)c(Cl)c2)CC1 to produce O=S(=O)(c1ccc(Cl)c(Cl)c1)C1CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.