You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named [(1S,2S,5R,7R,8R,10S,11S,15R)-2,15-dimethyl-14-oxo-8-pentacyclo[8.7.0.02,7.05,7.011,15]heptadecanyl] acetate is given. What is its corresponding molecular formula?
user
C21H30O3
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