[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is dianion of propanoyl phosphate arising from deprotonation of both OH groups of the phosphate. It is a conjugate base of a propanoyl phosphate."}, {"from": "gpt", "value": "[C][C][C][=Branch1][C][=O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}]