You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-3-heptadecanoyloxy-2-[(5S,6S,7E,9E,11Z,13E,15S)-5,6,15-trihydroxyicosa-7,9,11,13-tetraenoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H82NO11P
assistant