[{"from": "human", "value": "Describe this molecule. [C][=Branch1][C][=O][Branch1][C][N][N].[NH4+1].[NH4+1].[O-1][S][=Branch1][C][=O][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a mixture obtained by combining ammonium sulfate and urea. It has a role as a fertilizer. It contains an ammonium sulfate and a urea."}]