[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is the dianion resulting from the removal of two protons from clondronic acid. It is a conjugate base of a clodronic acid."}, {"from": "gpt", "value": "[C][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O-1][Branch1][=Branch2][P][=Branch1][C][=O][Branch1][C][O][O-1][Branch1][C][Cl][Cl]"}]