[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][=C][Branch2][Ring1][S][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=Branch1][P][=C][Branch1][=Branch2][C][=C][Ring1][=Branch1][C][=C][Ring1][N][C][Branch1][C][C][C][O][C][C]"}, {"from": "gpt", "value": "The molecule is a diterpenoid that is phenanthrene substituted by a methoxy group at position 6, methyl groups at position 1 and 2 and an isopropyl group at position 7. A norabietane derivative, it is isolated from the roots of Salvia multicaulis and exhibits antitubercular activity. It has a role as a metabolite and an antitubercular agent. It is a diterpenoid, a member of phenanthrenes and an aromatic ether."}]