[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule appears as white crystals. Ignite easily and burn readily. May detonate under strong shock. Decomposes when heated, evolving toxic gases. Toxic by skin absorption, inhalation or ingestion."}, {"from": "gpt", "value": "[C][Branch1][=C][C][Branch1][Ring1][C][O][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][Br][O]"}]