You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[hydroxy-[(2R)-3-[(9E,11E,15E)-13-hydroxyoctadeca-9,11,15-trienoyl]oxy-2-icosanoyloxypropoxy]phosphoryl]oxyethyl-trimethylazanium into its molecular formula.
user
C46H87NO9P+
assistant