[{"from": "human", "value": "Describe this molecule. [C][=Branch1][C][=S][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is the simplest member of the thiourea class, consisting of urea with the oxygen atom substituted by sulfur. It has a role as a chromophore and an antioxidant. It is a member of ureas, a member of thioureas and a one-carbon compound. It is functionally related to a carbonothioic O,O-acid and a urea."}]