[{"from": "human", "value": "What can you tell me about this molecule? [SeH2]"}, {"from": "gpt", "value": "The molecule is a selenium hydride and a mononuclear parent hydride. It has a role as an Escherichia coli metabolite and a mouse metabolite. It is a conjugate base of a selenonium. It is a conjugate acid of a selanide."}]