You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (1-ethoxycarbonyl-9-oxo-5,5a,6,7,8,8a-hexahydro-4H-azuleno[6,5-b]pyrrol-3-yl)-methylborinic acid by IUPAC nomenclature, provide its molecular formula.
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C16H22BNO4
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