[{"from": "human", "value": "What can you tell me about this molecule? [C][C@][C][C][C@@H1][Branch2][=Branch1][O][C][Branch2][=Branch1][Ring1][C@@H1][Ring1][=Branch1][C][C][C@@][Branch2][Branch1][=Branch2][C@@H1][Ring1][#Branch2][C][C][=C][C@][Ring1][=Branch1][Branch2][Ring1][#Branch2][C][C][C@@][Branch1][S][C@H1][Ring1][=Branch1][C][C][Branch1][Branch1][C][C][Ring1][=Branch1][Branch1][C][C][C][C][=Branch1][C][=O][O][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][Branch1][C][C][C][O][C][=Branch1][C][=O][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a pentacyclic triterpenoid that is the diester obtained by the global condensation of the hydroxy groups of (3beta)-3,27-dihydroxyolean-12-en-28-oic acid with trans-4-coumaric acid. It is isolated from the dried leaves of Ilex asprella and exhibits significant toxicity against KB (epidermoid carcinoma of the nasopharynx) and RPMI-7951 (melanoma) cell lines. It has a role as a metabolite and an antineoplastic agent. It is a diester, a monocarboxylic acid and a pentacyclic triterpenoid. It is functionally related to a (3beta)-3,27-dihydroxyolean-12-en-28-oic acid and a trans-4-coumaric acid."}]