You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[(11Z,14Z,17Z,20Z,23Z)-hexacosa-11,14,17,20,23-pentaenoyl]oxy-3-[(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoyl]oxypropyl] (17Z,20Z)-octacosa-17,20-dienoate into its molecular formula.
user
C77H126O6
assistant