You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2,3-bis[[(7E,9E,11E,13E)-hexadeca-7,9,11,13-tetraenoyl]oxy]propyl (7E,9E,11E,13E,15E,17E,19E)-docosa-7,9,11,13,15,17,19-heptaenoate into its molecular formula.
user
C57H80O6
assistant