You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 2-[1-hydroxy-4-[2-[(2-methylpropan-2-yl)oxycarbonylamino]ethoxy]-6-pyrazin-2-yloxy-3H-2,1-benzoxaborol-3-yl]acetate by IUPAC nomenclature, provide its molecular formula.
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C22H28BN3O8
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