You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-octadecanoyloxy-3-[(Z)-tetradec-9-enoyl]oxypropyl] (9Z,12Z)-nonadeca-9,12-dienoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C54H98O6
assistant