You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 2-[2-[(15Z,18Z,21Z,24Z,27Z,30Z,33Z)-hexatriaconta-15,18,21,24,27,30,33-heptaenoyl]oxy-3-[(23Z,26Z)-tetratriaconta-23,26-dienoyl]oxypropoxy]-2-[2-(trimethylazaniumyl)ethoxy]acetate ?
user
C80H139NO8
assistant