[{"from": "human", "value": "Provide a brief overview of this molecule. [C][O][C][=C][C][=Branch1][C][=O][O][C][=Branch1][Ring2][=C][Ring1][#Branch1][C@H1][C@@H1][Branch1][Ring2][O][Ring1][Ring1][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a pyranone that is 2H-pyran-2-one substituted by a methoxy group at position 4 and a 3-phenyloxiran-2-yl group at position 6 (the 2R,3S stereoisomer). Isolated from Didymocarpus aurantiacus and Piper rusbyi, it exhibits antileishmanial activity. It has a role as an antileishmanial agent and a metabolite. It is an epoxide, an ether and a member of 2-pyranones."}]