You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-2-[(9E,12E)-heptadeca-9,12-dienoyl]oxy-3-[(E)-tetradec-9-enoyl]oxypropyl] 2-(trimethylazaniumyl)ethyl phosphate is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H72NO8P
assistant