[{"from": "human", "value": "Provide a description of this molecule. [C][O][C][=C][Branch2][Ring2][=Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C@@H1][C@H1][C][O][C@@H1][Branch1][Branch2][C@H1][Ring1][Branch1][C][O][Ring1][Branch2][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][O][Ring1][#Branch1][O]"}, {"from": "gpt", "value": "The molecule is a furofuran that is tetrahydro-1H,3H-furo[3,4-c]furan which is substituted at positions 1 and 4 by 4-hydroxy-3-methoxyphenyl and 1,3-benzodioxol-5-yl groups, respectively (the 1S,3aR,4S,6aR stereoisomer). The biosynthetic precursor of (+)-sesamin. It has a role as a plant metabolite. It is a furofuran, a lignan, a member of benzodioxoles, an aromatic ether and a member of phenols."}]