[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a nitrate of calcium. It is mainly used as a component in fertilizers. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137, L1621)"}, {"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].[Ca+2]"}]