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 benzyl (3S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-3-(2H-tetrazol-5-yl)propanoate is given. What is its corresponding molecular formula?
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C16H21N5O4
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