[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a natural product found in Ambrosia artemisiifolia var. elatior with data available."}, {"from": "gpt", "value": "[C][C][=C][C][C@@H1][Branch1][P][C][C][C@][Ring1][=Branch1][Branch1][=Branch2][C@@H1][Branch1][Branch1][C][C][Ring1][#Branch2][O][C][C][=Branch1][C][=C][C][=Branch1][C][=O][O]"}]