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 2-[(5-cyclopropyl-1,3,4-oxadiazol-2-yl)sulfanyl]-1-[4-[(1S)-1-phenylethyl]piperazin-1-yl]ethanone is given. What is its corresponding molecular formula?
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C19H24N4O2S
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