[{"from": "human", "value": "Provide a description of this molecule. [C][S][C][=C][Branch2][Ring1][C][C][=C][Branch1][Ring2][N][Ring1][Branch1][C][=C][Branch1][=Branch1][C][=C][Ring1][#Branch1][Br][Br][S@][=Branch1][C][=O][C]"}, {"from": "gpt", "value": "The molecule is a natural product found in Laurencia brongniartii with data available."}]