Using O=S(=O)([O-])OS(=O)(=O)[O-], Nc1ncc2cc(-c3ccccc3)c(N)nc2n1 to produce Nc1ncc2cc(-c3ccccc3)c(O)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.