[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a member of coumarins and an isopropyl ester."}, {"from": "gpt", "value": "[C][C][=C][C][=C][Branch2][Ring1][C][C][=C][Branch1][#Branch1][C][C][C][C][Ring1][=Branch1][C][=Branch1][C][=O][O][Ring1][O][C][=Branch1][Ring2][=C][Ring1][#C][O][C][C][=Branch1][C][=O][O][C][Branch1][C][C][C]"}]