[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][C][C@@H1][C@@H1][Branch2][Branch1][Branch1][C@@H1][C@H1][Ring1][#Branch1][C][C][=Branch1][C][=O][C@][Ring1][=Branch1][C][C][C@][Branch2][Ring2][C][C@@][Ring1][Branch1][Branch2][Ring1][O][C][C@@H1][C@H1][Ring1][Branch1][C@@H1][C@@H1][Branch1][#Branch1][C][C][C][Ring1][#Branch1][=C][C][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][O][O][O][O][C][=Branch1][C][=O][C][Ring2][Ring1][S][=C]"}, {"from": "gpt", "value": "The molecule is a sesquiterpene lactone isolated from the whole plants of Ainsliaea macrocephala; exhibits inhibitory activity against production of nitric oxide (NO). It has a role as a metabolite and an EC 1.14.13.39 (nitric oxide synthase) inhibitor. It is a spiro compound and a sesquiterpene lactone."}]