You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[(1R,5S)-3-methoxy-8-azabicyclo[3.2.1]octan-8-yl]-2-[(5-methyl-1,3,4-oxadiazol-2-yl)sulfanyl]ethanone into its molecular formula.
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C13H19N3O3S
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