You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 4-O-[3-[[27-[3-[(Z)-4-ethoxy-4-oxobut-2-enoyl]oxypropoxy]-5,11,17,23-tetrahexyl-26,28-bis[3-(2-methylprop-2-enoyloxy)propoxy]-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl]oxy]propyl] 1-O-ethyl (Z)-but-2-enedioate is given. What is its corresponding molecular formula?
user
C84H116O16
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