[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][O][C][=C][C][=Branch1][O][=C][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][C][C@@H1][C@H1][Branch2][Ring1][=N][C@@H1][Branch2][Ring1][#Branch1][C][C][=C][C][=Branch1][#C][=C][Branch1][O][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][O][C][O][O][C][C][O][C][O]"}, {"from": "gpt", "value": "The molecule is a lignan that is tetralin substituted by a 4-hydroxy-3,5-dimethoxy group at position 4, hydroxymethyl groups at positions 2 and 3, methoxy groups at positions 5 and 7 and a hydroxy group at position 6. Isolated from Machilus robusta and Sinocalamus affinis, it exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a dimethoxybenzene, a lignan, a primary alcohol, a polyphenol and a member of tetralins."}]