You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl (1S,6S,8S)-8-[[4-chloro-6-[(3R)-oxolan-3-yl]oxypyrimidin-2-yl]-methylamino]-10-azatricyclo[4.3.1.03,10]decane-3-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C23H33ClN4O4
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