[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][N][C][=Branch1][C][=S][N][=C][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is pyrimidine substituted at C-2 by a sulfanyl group. It has a role as a corrosion inhibitor and an allergen. It is a member of pyrimidines and an aryl thiol."}]