[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C][C@H1][Branch2][Branch1][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C@@H1][C@@H1][Branch2][Ring2][C][C@@H1][Branch2][Ring1][=N][C@H1][Branch1][P][C@@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][O][O][C][=Branch1][C][=O][C][C][C][C][C][C][C]"}, {"from": "gpt", "value": "The molecule is a 1-phosphatidyl-1D-myo-inositol 4,5-bisphosphate(5-) in which the phosphatidyl acyl groups at positions 1 and 2 are both specified as octanoyl. It is a conjugate base of a 1,2-dioctanoyl-sn-glycero-3-phospho-(1D-myo-inositol-4,5-bisphosphate)."}]