Using CCN(CC)S(=O)(=O)Oc1cncc(-c2cc3ccc(Cl)cc3n2C(=O)OC(C)(C)C)c1 to produce CCN(CC)S(=O)(=O)Oc1cncc(-c2cc3ccc(Cl)cc3[nH]2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.