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 N-[4-[[(1R,2S)-2-[(E)-1-phenylbut-1-en-2-yl]cyclopropyl]amino]cyclohexyl]acetamide is given. What is its corresponding molecular formula?
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C21H30N2O
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