Using CC(=O)N(Cc1ccccc1C1OCCO1)c1ccccc1Oc1ccccc1 to produce CC(=O)N(Cc1ccccc1C=O)c1ccccc1Oc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.