You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[(Z)-hexadec-9-enoyl]oxy-2-[(Z)-icos-11-enoyl]oxypropyl] (20Z,23Z,26Z,29Z,32Z,35Z)-octatriaconta-20,23,26,29,32,35-hexaenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C77H134O6
assistant