Using CC(=O)C=Cc1ccccc1, O=c1[nH]c(-c2ccccc2)co1 to produce CC(=O)CC(c1ccccc1)c1oc(=O)[nH]c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.