[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C@@H1][C@@H1][Branch2][Ring1][=C][C@@H1][Branch1][S][O][C@H1][Ring1][Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C]"}, {"from": "gpt", "value": "The molecule is an antiviral lignan isolated from the creosote bush, Larrea tridentata, which consists of a 3,4-dimethyltetrahydrofuran skeleton substituted by 4-hydroxyphenyl groups at positions 2 and 5 (the 2R,3R,4S,5R stereoisomer). It has a role as an antiviral agent and a metabolite. It is a lignan, a member of oxolanes and a member of phenols."}]