[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a nitrate of beryllium. Beryllium is a lightweight alkaline earth metal with the atomic number 4. It is a relatively rare element found naturally only combined with other elements in minerals. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L24)"}, {"from": "gpt", "value": "[Be+2].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1]"}]