You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[3-hexadecanoyloxy-2-[(7Z,10Z,13Z)-hexadeca-7,10,13-trienoyl]oxypropoxy]-2-[2-(trimethylazaniumyl)ethoxy]acetate into its molecular formula.
user
C42H75NO8
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