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 ethyl 4-[(8R,9S,13S,14S)-3-hydroxy-13-methyl-17-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-15-yl]butanoate is given. What is its corresponding molecular formula?
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C24H32O4
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