[{"from": "human", "value": "Provide a description of this molecule. [N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[Sr+2]"}, {"from": "gpt", "value": "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)"}]