Using ON=C(Cl)c1ccccc1O, CCOC(=O)C1C(=O)CC(=O)CC1C to produce CCOC(=O)C1C(=O)c2c(-c3ccccc3O)noc2CC1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.