Using Cc1sc(-c2ccc(Cl)cc2)cc1C1C(=O)C/C(=C\C2CCOCC2)C1=O to produce Cc1sc(-c2ccc(Cl)cc2)cc1C1C(=O)CC(CC2CCOCC2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.