You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 4-[(5S,10S)-12-methoxy-10-methyl-4-methylidene-15-methylsulfanyl-16-phenyl-2,3,5,6,7,15-hexahydro-1H-cyclopenta[a]phenanthren-17-yl]morpholine by IUPAC nomenclature, provide its molecular formula.
user
C31H37NO2S
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