[{"from": "human", "value": "Describe this molecule. [C][C][C][N][Branch1][Ring2][C][C][C][C][C][C][=C][C][=C][C][=C][C][=Branch1][=N][=C][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][C][Ring1][=N][O]"}, {"from": "gpt", "value": "The molecule is an ortho- and peri-fused tricyclic hydrocarbon."}]