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 5-bromo-1-[2-(2,8-diazaspiro[4.5]decan-8-yl)-2-oxoethyl]pyrimidine-2,4-dione;hydrochloride is given. What is its corresponding molecular formula?
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C14H20BrClN4O3
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