[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring2][#Branch1][C@@][Branch2][Ring2][C][C@H1][C@@H1][C][NH1+1][=C][Branch2][Ring1][=Branch2][N][C@@][Ring1][=Branch1][C@H1][Branch1][P][C@@H1][Ring1][#Branch2][O][C][Ring1][O][Branch1][#Branch1][C@H1][Ring1][=Branch1][O][Ring1][O][O][O][N][O][O]"}, {"from": "gpt", "value": "The molecule is candidate tetrodotoxin biosynthetic intermediate isolated from the Okinawan newt Cynops ensicauda popei in Kudo et al. 2014"}]