[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a hydroxycoumarin that is umbelliferone bearing a methoxy substituent at position 6. It has a role as a plant growth regulator and a plant metabolite. It is functionally related to an umbelliferone."}, {"from": "gpt", "value": "[C][O][C][=C][Branch2][Ring1][C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=C][C][=Branch1][C][=O][O][Ring1][Branch2][O]"}]