Using [NH4+], CC(=O)Nc1cccc2c(OC(C)=O)c(S(=O)(=O)Cl)ccc12 to produce CC(=O)Nc1cccc2c(O)c(S(N)(=O)=O)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.