[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a natural product found in Euphorbia retusa and Euphorbia sulcata with data available."}, {"from": "gpt", "value": "[C][C][=C][C@H1][Branch2][Ring1][#C][C][C][=C][Branch1][Branch1][C][Ring1][=Branch1][=O][C][C][C@@H1][C@@][Ring1][Branch2][Branch1][=N][C][C][C@@H1][C@][Ring1][=Branch1][Branch1][Ring2][C][Ring1][Ring1][C][C][O][C][Ring2][Ring1][Branch1][=O]"}]