[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][O][O]"}, {"from": "gpt", "value": "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."}]