Using NS(=O)(=O)c1cc(C(=O)O)cc(N2CCCC2)c1Oc1ccccc1, CC(C)(C)C(=O)OCCl to produce CC(C)(C)C(=O)OCOC(=O)c1cc(N2CCCC2)c(Oc2ccccc2)c(S(N)(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.