You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by [1-[hydroxy-(2,3,4,5,6-pentahydroxycyclohexyl)oxyphosphoryl]oxy-3-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoxy]propan-2-yl] (11Z,14Z)-henicosa-11,14-dienoate ?
user
C50H87O12P
assistant