[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][Cl][C][=O]"}, {"from": "gpt", "value": "The molecule appears as white crystalline solid or off-white chunky solid with black specks and a pungent odor. Average shelf life 1 year in a closed container. "}]