You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-[[(2S)-3-[[(2R)-2-hexadecanoyloxy-3-tridecanoyloxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropoxy]-hydroxyphosphoryl]oxy-3-(17-methyloctadecanoyloxy)propan-2-yl] tetracosanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C81H158O17P2
assistant