You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [2-[(9Z,12Z,15Z)-octadeca-9,12,15-trienoyl]oxy-3-octadecoxypropyl] (8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoate into its molecular formula.
user
C59H102O5
assistant