You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1S,4R)-4-[(1R,3aS,7aR)-4-[2-[(3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-1-[1-(3-propyl-1,2,4-oxadiazol-5-yl)cyclopropyl]pentyl] butanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C36H54N2O5
assistant