You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [1-[[2-[(4Z,7Z,10Z,13Z)-hexadeca-4,7,10,13-tetraenoyl]oxy-3-hydroxypropoxy]-hydroxyphosphoryl]oxy-3-icosanoyloxypropan-2-yl] docosanoate by IUPAC nomenclature, provide its molecular formula.
user
C64H117O11P
assistant