You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[hydroxy-[(2R)-3-[(4Z,7Z,10Z,13E,15E,19Z)-17-hydroxydocosa-4,7,10,13,15,19-hexaenoyl]oxy-2-[(8Z,11Z,14Z)-icosa-8,11,14-trienoyl]oxypropoxy]phosphoryl]oxyethyl-trimethylazanium into molecular formula.
user
C50H83NO9P+
assistant