[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a stilbenoid with a structure of (E)-stilbene substituted at one of the C-4 positions by a nitro group. It has a role as a mutagen."}]