You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(13Z,16Z)-tetracosa-13,16-dienoyl]oxy-3-[(Z)-tetradec-9-enoyl]oxypropyl] (Z)-octacos-17-enoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C69H126O6
assistant