You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2S)-3-[[(2R)-2,3-dihydroxypropoxy]-hydroxyphosphoryl]oxy-2-[(E)-hexadec-7-enoyl]oxypropyl] henicosanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C43H83O10P
assistant