[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a yellow powder with a slight odor. "}, {"from": "gpt", "value": "[C][=Branch2][Ring1][Branch1][=C][Branch1][P][C][=Branch1][C][=O][C][=Branch1][=Branch2][=C][Branch1][Branch1][C][Ring1][#Branch1][=O][Cl][Cl][Cl][Cl]"}]