[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a polycyclic aromatic hydrocarbon belongs to the family of mutagen benzo(a)pyrene. 3-nitrobenzo(a)pyrene consists of five fused rings with a nitro-group attached to the third carbon atom of the aromatic hydrocarbon ring in with potential carcinogenicity."}, {"from": "gpt", "value": "[C][=C][C][=C][C][=C][C][=Branch1][Branch2][=C][C][Ring1][=Branch1][=C][Ring1][#Branch2][C][=C][C][=C][Branch1][#C][C][=C][C][=Branch1][=Branch1][=C][Ring1][=Branch1][Ring1][=N][C][=C][Ring1][S][N+1][=Branch1][C][=O][O-1]"}]