Using CCC(O)(C(=O)O)c1ccccc1, O=Cc1ccc(-c2ccc(Cl)cc2)cc1 to produce CCC1(c2ccccc2)OC(c2ccc(-c3ccc(Cl)cc3)cc2)OC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.