Using Cc1cc(Nc2nn(CC(=O)c3ccccc3)c(=O)c3ccccc23)n[nH]1 to produce Cc1cc(Nc2nn(CC(O)c3ccccc3)c(=O)c3ccccc23)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.