You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(2R)-1-[hydroxy-[(2R)-2-hydroxy-3-[hydroxy-[(2R)-3-(10-methylundecanoyloxy)-2-octadecanoyloxypropoxy]phosphoryl]oxypropoxy]phosphoryl]oxy-3-(17-methyloctadecanoyloxy)propan-2-yl] 18-methylicosanoate .
user
C79H154O17P2
assistant