Using CC(C)(C)c1cc(N)on1, CC1(S(=O)(=O)C2CCOCC2)CCOC1=O to produce CC(C)(C)c1cc(NC(=O)C(C)(CCO)S(=O)(=O)C2CCOCC2)on1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.