[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a beta-diketone and an aromatic ketone. It has a role as an anticoagulant. It derives from a hydride of an indane."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][C][Ring1][#Branch2][=O]"}]