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 3-[(3aR,4R,6R,6aR)-6-[(E)-3-hydroxy-4-methoxy-4-oxobut-1-enyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-2,6-dioxopyrimidine-1-carboxylate is given. What is its corresponding molecular formula?
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C21H28N2O10
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