[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is an organic molecular entity."}, {"from": "gpt", "value": "[C][C@H1][C@H1][Branch1][Ring2][O][Ring1][Ring1][P][=Branch1][C][=O][Branch1][C][O-1][O-1].[Ca+2]"}]