[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a yellow crystalline powder. "}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=C][=C][Branch1][#Branch2][C][=C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1][Cl][N]"}]