You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2,3-bis[[(5E,7E,9E,11E,13E)-hexadeca-5,7,9,11,13-pentaenoyl]oxy]propyl (E)-heptadec-7-enoate ?
user
C52H78O6
assistant