You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[2-[(14Z,17Z,20Z)-octacosa-14,17,20-trienoyl]oxy-3-[(Z)-tridec-9-enoyl]oxypropoxy]-2-[2-(trimethylazaniumyl)ethoxy]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C51H91NO8
assistant