Using COC(=O)Cc1c(C)n(S(=O)(=O)c2ccc(Cl)c(Cl)c2)c2ncccc12 to produce Cc1c(CC(=O)O)c2cccnc2n1S(=O)(=O)c1ccc(Cl)c(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.