You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-henicosanoyloxy-3-[hydroxy-[(2S)-2-hydroxy-3-[hydroxy-[(2R)-2-(18-methylnonadecanoyloxy)-3-octanoyloxypropoxy]phosphoryl]oxypropoxy]phosphoryl]oxypropan-2-yl] 22-methyltetracosanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C83H162O17P2
assistant