[{"from": "human", "value": "Could you provide a description of this molecule? [C][C][=C][C][=Branch1][C][=O][O][C][=C][Ring1][#Branch1][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][O]"}, {"from": "gpt", "value": "The molecule is a hydroxycoumarin that is umbelliferone substituted by a methyl group at position 4. It has a role as an antineoplastic agent and a hyaluronic acid synthesis inhibitor. It is functionally related to an umbelliferone."}]