You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(1S,2S,6R,10S,11R,13S,14R,15R)-1,6-dihydroxy-8-(hydroxymethyl)-4,12,12,15-tetramethyl-5-oxo-14-(14-oxotetradecanoyloxy)-13-tetracyclo[8.5.0.02,6.011,13]pentadeca-3,8-dienyl] hexadecanoate by IUPAC nomenclature, provide its molecular formula.
user
C50H82O9
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