You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2,3-bis[[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyl]oxy]propyl (17Z,20Z,23Z,26Z,29Z)-dotriaconta-17,20,23,26,29-pentaenoate .
user
C75H120O6
assistant