[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a member of the class of chloroethenes that is ethene in which both of the hydrogens attached to one of the carbons are replaced by chlorines. It has a role as a mutagen, a carcinogenic agent and a mouse metabolite."}, {"from": "gpt", "value": "[C][=C][Branch1][C][Cl][Cl]"}]