You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2,3-dihydroxypropyl [3-[(3R,4S,5S)-5-(dimethylarsorylmethyl)-3,4-dihydroxyoxolan-2-yl]oxy-2-hydroxypropyl] hydrogen phosphate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H28AsO12P
assistant