Using COc1ccc(-c2cccc3[nH]c4cnn(C)c4c(=O)c23)cc1 to produce Cn1ncc2[nH]c3cccc(-c4ccc(O)cc4)c3c(=O)c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.