You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule [3-[(4Z,7Z)-hexadeca-4,7-dienoyl]oxy-2-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyl]oxypropyl] (5Z,8Z,11Z)-icosa-5,8,11-trienoate ?
user
C59H98O6
assistant