You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (1R,2R,5R,10R,11R,20S)-20-(aminomethyl)-1,2,6,6,10,17,17,20-octamethyl-7,13-dioxotetracyclo[12.8.0.02,11.05,10]docos-8-ene-8-carbonitrile into molecular formula.
user
C32H50N2O2
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