[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=C][C][=C][Ring1][=Branch1][N][C][Ring1][O][=S]"}, {"from": "gpt", "value": "The molecule is a member of phenanthridines."}]