[{"from": "human", "value": "What can you tell me about this molecule? [N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[Rb+1]"}, {"from": "gpt", "value": "The molecule is a nitrate of rubidium. It is used in pyrotechnic compositions as a colorant and an oxidizer. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1635)"}]