[{"from": "human", "value": "Describe this molecule. [C][C][Branch1][C][C][Branch1][O][C][O][P][=Branch1][C][=O][Branch1][C][O][O][C@H1][Branch2][Ring1][#Branch2][C][=Branch1][C][=O][N][C][C][C][=Branch1][C][=O][N][C][C][S][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is an S-acyl-4'-phosphopantetheine obtained by formal condensation of the thiol group of D-pantetheine 4'-phosphate with one of the carboxy groups of malonic acid. It is functionally related to a malonic acid."}]