You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[(11Z,14Z)-icosa-11,14-dienoyl]oxy-2-[(6Z,9Z,12Z,15Z,18Z,21Z)-tetracosa-6,9,12,15,18,21-hexaenoyl]oxypropyl] nonacosanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C76H132O6
assistant