You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-(4-methylphenyl)-3-[(4R,5S)-4-pyridin-2-yl-2-sulfanylidene-5-(2,4,5-trimethyl-1-phenylpyrrol-3-yl)imidazolidin-1-yl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C31H33N5OS
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