Using CC1(C)O[C@H]2O[C@H](C(O)C3CCCC3)C[C@H]2O1, O=C(Cl)c1ccccc1 to produce CC1(C)O[C@H]2O[C@H](C(OC(=O)c3ccccc3)C3CCCC3)C[C@H]2O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.