[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a deuterated compound and a member of chloroethanes."}, {"from": "gpt", "value": "[2H][C][Branch1][=Branch2][C][Branch1][C][2H][Branch1][C][Cl][Cl][Branch1][C][Cl][Cl]"}]