Using CCc1cc(/C=C/c2nc3ccccc3o2)c(OCc2ccccc2)nc1COCc1ccccc1 to produce CCc1cc(CCc2nc3ccccc3o2)c(=O)[nH]c1COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.