[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a Melanin Synthesis Inhibitor. The mechanism of action of hydroquinone is as a Melanin Synthesis Inhibitor. The physiologic effect of hydroquinone is by means of Depigmenting Activity."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][O][O]"}]