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)-3-[hydroxy-[(1S,5R)-2,3,4,6-tetrahydroxy-5-phosphonooxycyclohexyl]oxyphosphoryl]oxy-2-[(Z)-octadec-9-enoyl]oxypropyl] (5Z,8Z,11Z,14Z)-17-hydroxyicosa-5,8,11,14-tetraenoate .
user
C47H82O17P2
assistant