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 tert-butyl N-[[4-[(1S)-1-amino-2-(1,3-benzoxazol-2-yl)-2-hydroxyethyl]cyclohexyl]methyl]carbamate is given. What is its corresponding molecular formula?
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C21H31N3O4
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