[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a nitrate of strontium. It is used as an oxidizer and colorant in fireworks. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1637)"}, {"from": "gpt", "value": "[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[Sr+2]"}]