You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(1R)-2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-en-1-yl] (1S,3R)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate into its molecular formula.
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C19H24O3
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