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,3R,5S,6S)-1-[[(1R,4aR,5S,8aR)-5-(hydroxymethyl)-2,5,8a-trimethyl-1,4,4a,6,7,8-hexahydronaphthalen-1-yl]methyl]-4-methylidene-7-oxabicyclo[4.1.0]heptane-2,3,5-triol into molecular formula.
user
C22H34O5
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