[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][N][C@@H1][Branch2][Ring1][S][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O][C][C@@H1][Branch1][P][C@H1][Branch1][=N][C][Branch1][=Branch2][C@H1][Branch1][Branch1][C@H1][Ring1][=Branch1][O][O][O][O][O][C@@H1][Branch1][S][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][O]"}, {"from": "gpt", "value": "The molecule is an anionic ceramide phosphoinositol compound having a tetracosanoyl group attached to the ceramide nitrogen and no hydroxylation at C-4 of the long-chain base, or at C-2 or C-3 of the very-long-chain fatty acid. Major species at pH 7.3. It is an inositol phosphodihydroceramide(1-) and an Ins-1-P-Cer-A 42:0(1-). It is a conjugate base of an Ins-1-P-Cer(d18:0/24:0)."}]