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