You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [(3aS,4R,7aR)-3a-methyl-3,7-dioxo-4,5,6,7a-tetrahydro-1H-2-benzofuran-4-yl] acetate into its molecular formula.
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C11H14O5
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