[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@][C][C@H1][Branch2][Branch1][=C][C@@H1][Branch2][Ring2][#Branch2][C][=C][Ring1][=Branch1][C][C][C@@H1][C@@H1][Ring1][#Branch2][C][C][=Branch1][C][=O][C@][Branch2][Ring1][=Branch1][C@@][Ring1][#Branch1][Branch1][S][C][C][C@@H1][Ring1][Branch1][C][=C][C][=Branch1][C][=O][O][C][Ring1][=Branch1][O][C][O][C@H1][C@H1][Branch1][O][C@H1][Branch1][=Branch1][C][C][O][Ring1][=Branch1][O][C][O][O]"}, {"from": "gpt", "value": "The molecule is a cardenolide glycoside that is carda-4,20(22)-dienolide substituted by hydroxy groups at positions 2 and 14, an oxo group at position 12 and a (4-deoxy-3-O-methyl-alpha-L-erythro-pentopyranosyl)oxy moiety at position 3 (the 2alpha,3beta stereoisomer). Isolated from from wood of Elaeodendron tangenala, it exhibits antiproliferative activity against A2780 human ovarian cancer cells. It has a role as a metabolite and an antineoplastic agent. It is a cardenolide glycoside and a monosaccharide derivative."}]