[{"from": "human", "value": "Could you provide a description of this molecule? [C][#Branch1][C][#N][S-1].[C][#Branch1][C][#N][S-1].[Pb+2]"}, {"from": "gpt", "value": "The molecule appears as a white to yellow crystalline solid. Slightly soluble in water and denser than water. Primary hazard is threat to the environment. Immediate steps should be taken to limit spread to the environment. Used to make explosives, safety matches, and in dyeing."}]