Using O=C(NCc1ccc(S(=O)(=O)N2CCC3(CC2)OCCO3)s1)c1ccc[nH]c1=O to produce O=C1CCN(S(=O)(=O)c2ccc(CNC(=O)c3ccc[nH]c3=O)s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.