You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name S-[2-[[(2R,5S)-2-(hydroxymethyl)-5-tritiooxolan-3-yl]oxy-[[(2R,5S)-3-hydroxy-5-tritiooxolan-2-yl]methoxy]phosphoryl]oxyethyl] 2,2-dimethylpropanethioate into its molecular formula.
user
C17H31O9PS
assistant