[{"from": "human", "value": "What can you tell me about this molecule? [C][C@H1][Branch2][Ring2][P][C][C][C][C][Branch1][C][C][C][=Branch1][C][=O][S][C][C][N][C][=Branch1][C][=O][C][C][N][C][=Branch1][C][=O][C@@H1][Branch2][Ring1][C][C][Branch1][C][C][Branch1][C][C][C][O][P][=Branch1][C][=O][Branch1][C][O-1][O-1][O][C@H1][C][C][C@@H1][C@@][Ring1][Branch1][Branch2][Ring1][P][C@H1][Branch2][Ring1][N][C][C@H1][C@H1][Ring1][=Branch1][C@@H1][Branch2][Ring1][C][C][C@H1][C@@][Ring1][=Branch1][Branch1][#Branch2][C][C][C@H1][Branch1][Ring2][C][Ring1][=Branch1][O][C][O][O][C]"}, {"from": "gpt", "value": "The molecule is an S-acyl-4'-phosphopantetheine obtained by deprotonation of the phosphate OH groups of S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine; major species at pH 7.3. It is a conjugate base of a S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine."}]