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 [2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]oxy-3-[(Z)-heptadec-9-enoxy]propyl] 2-(trimethylazaniumyl)ethyl phosphate .
user
C47H84NO7P
assistant