You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [3-decanoyloxy-2-[(9Z,12Z,15Z,18Z,21Z)-tetracosa-9,12,15,18,21-pentaenoyl]oxypropyl] (23Z,26Z,29Z,32Z,35Z)-octatriaconta-23,26,29,32,35-pentaenoate into molecular formula.
user
C75H126O6
assistant