[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a Vitamin K Antagonist. The mechanism of action of warfarin is as a Vitamin K Inhibitor."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][C][C][Branch1][=Branch2][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Branch1][=C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][Ring1][#Branch2][=O][O]"}]