Using O=c1[nH]ccc2cc(-c3ccccc3)c(-c3ccc(CO)cc3)nc12 to produce O=Cc1ccc(-c2nc3c(=O)[nH]ccc3cc2-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.