[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a member of the class of furonaphthodioxoles that is (5R,5aR,8aR)-5,8,8a,9-tetrahydro-2H-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6(5aH)-one substituted at position 5 by a 3,4,5-trimethoxyphenyl group. It has a role as a plant metabolite, an antineoplastic agent and an apoptosis inducer. It is a lignan, a furonaphthodioxole, a gamma-lactone and a member of methoxybenzenes."}, {"from": "gpt", "value": "[C][O][C][=C][C][=Branch1][N][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][O][C][O][C][C@H1][C@@H1][C@@H1][Branch2][Ring1][Ring1][C][C][=C][C][=C][Branch1][#Branch1][C][=C][Ring1][#Branch2][Ring1][=Branch1][O][C][O][Ring1][#Branch1][C][O][C][Ring1][#C][=O]"}]