You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[2-[(14E,16E)-docosa-14,16-dienoyl]oxy-3-[(9E,11E,13E)-henicosa-9,11,13-trienoyl]oxypropoxy]-2-(trimethylazaniumyl)butanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C53H93NO7
assistant