You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance [(2R)-1-[hydroxy-[(2R)-2-hydroxy-3-[hydroxy-[(2R)-3-(10-methylundecanoyloxy)-2-pentadecanoyloxypropoxy]phosphoryl]oxypropoxy]phosphoryl]oxy-3-(12-methyltetradecanoyloxy)propan-2-yl] icosanoate .
user
C71H138O17P2
assistant