[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule appears as light tan to dark gray crystals or brown solid. Melting point 71-72 \u00b0C."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][N][Cl][Cl]"}]