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system
Provide the molecular formula for the IUPAC named substance (5R)-1-[[(1R,3aS,5aR,5bR,7aR,9S,11aR,11bR,13aR,13bR)-5a,5b,8,8,11a-pentamethyl-3a-[(2S)-2-(5-phenyl-1,3,4-oxadiazol-2-yl)pyrrolidine-1-carbonyl]-1-prop-1-en-2-yl-1,2,3,4,5,6,7,7a,9,10,11,11b,12,13,13a,13b-hexadecahydrocyclopenta[a]chrysen-9-yl]oxy]-6,6-dimethyl-2-oxospiro[2.3]hexane-5-carboxylic acid .
user
C51H69N3O6
assistant