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 [(5S,8R,9S,10S,13S,14S,17S)-10,13-dimethyl-4,5,6,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl] hydrogen sulfate is given. What is its corresponding molecular formula?
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C19H30O4S
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