You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named [4-[(1S,2R,5S,6S,9R)-6,8,9-trimethyl-3-oxabicyclo[3.3.1]non-7-en-2-yl]phenyl] acetate by IUPAC nomenclature, provide its molecular formula.
user
C19H24O3
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