[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch1][=N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][C][=O][Cl]"}, {"from": "gpt", "value": "Yellowish flakes or fine off-white powder. Pungent odor. "}]