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 (6E,8S,9S,10R,13S,14S)-6-hydroxyimino-10,13-dimethyl-1,2,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,7-dione is given. What is its corresponding molecular formula?
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C19H25NO3
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