Using CCOC(=O)c1cc2c(n1S(=O)(=O)c1ccc(OC)cc1)CN(C(C)=O)CC2 to produce COc1ccc(S(=O)(=O)n2c(C(=O)O)cc3c2CN(C(C)=O)CC3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.