Using O=C1CCC(=O)C1, CC(O)c1cnc(-c2ccc(Cl)cc2)s1 to produce CC(OC1=CC(=O)CC1)c1cnc(-c2ccc(Cl)cc2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.