[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=Branch1][C][=O][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][Branch1][Branch1][C][=C][Ring1][Branch2][O][C]"}, {"from": "gpt", "value": "The molecule is a pro-drug with its 6-methoxy-2-naphthylacetic acid (6-MNA) metabolite acting as a potent COX inhibitor similar in structure to [naproxen]. Nabumetone was developed by Smithkline Beecham under the trade name Relafen and first received FDA approval in December, 1991."}]