Using Nc1ncc(-c2ccc(OCc3ccccc3)nc2)c(-c2ccco2)n1 to produce Nc1ncc(-c2ccc(=O)[nH]c2)c(-c2ccco2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.