Using Oc1ccc(Cl)cc1C(O)(C1CCCCC1)C1CCCCC1, O=C(O)C(Cl)Cl to produce O=C(O)C1Oc2ccc(Cl)cc2C(C2CCCCC2)(C2CCCCC2)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.