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 (1aS,2S,3R,3aS,4R,6aS,6bR)-3-(butoxymethyl)-2,4-dimethyl-6-oxo-2,3,3a,4,6a,6b-hexahydro-1aH-oxireno[2,3-e]isoindole-5-carboxylate is given. What is its corresponding molecular formula?
user
C20H33NO5
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