[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][=C][Ring1][#Branch1][N][C][C@@H1][Branch1][Ring1][C][O][O][C][P][=Branch1][C][=O][Branch1][C][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is the dianion obtained by removal of two protons from the phosphonic acid group of cidofovir. It is a pyrimidone and an organophosphonate oxoanion. It is a conjugate base of a member of cidofovir anhydrous and a cidofovir(1-)."}]