You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(1S,2S,4aS,8aS)-4a-methyl-8-methylidene-2-propan-2-yl-1,2,3,4,5,6,7,8a-octahydronaphthalen-1-yl] acetate into its molecular formula.
user
C17H28O2
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