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 2-[(4-bromophenyl)methyl]-8-(3-phenylbutyl)-2,8-diazaspiro[4.5]decan-1-one;hydrochloride is given. What is its corresponding molecular formula?
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C25H32BrClN2O
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