Using COC1=C(c2cc(-c3ccc(Cl)cc3)sc2C)C(=O)C(CC2CCOC2)C1 to produce Cc1sc(-c2ccc(Cl)cc2)cc1C1C(=O)CC(CC2CCOC2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.