[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][C][=Branch1][C][=O][C][C][Branch1][Branch2][C][=Branch1][C][=O][O][C][C][S][P][=Branch1][C][=O][Branch1][Ring1][O][C][O][C]"}, {"from": "gpt", "value": "The molecule is a diester that is diethyl succinate in which position 2 is substituted by a (dimethoxyphosphoryl)thio group. It is a diester, an ethyl ester and an organic thiophosphate."}]