[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][C][C][C][Branch1][C][C][C][C@H1][C][O][C@@H1][Branch1][O][N][C@@H1][Ring1][=Branch1][C][=Branch1][C][=O][O][C][C][=C][C][=C][N][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is an oxazinane alkaloid that is methyl (4S)-1,3-oxazinane-4-carboxylate substituted by a (1H-pyrrol-2-yl group at position 2 and a 2-methylheptyl group at position 5. Isolated from Celastrus angulatus, it exhibits cytotoxic activity. It has a role as a metabolite and an antineoplastic agent. It is a member of pyrroles, an alkaloid, an oxazinane and a methyl ester."}]