You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[(26Z,29Z,32Z)-tetraconta-26,29,32-trienoyl]oxy-3-tricosanoyloxypropoxy]-2-[2-(trimethylazaniumyl)ethoxy]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C73H137NO8
assistant