Using CN1CCN(S(=O)(=O)c2c(Cl)ccc3nc(C(C)(C)C)oc23)CC1 to produce CN1CCN(S(=O)(=O)c2c(Cl)ccc(N)c2O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.