You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S,5R)-1-butyl-5-[2,5-dimethyl-1-(4-morpholin-4-ylphenyl)pyrrol-3-yl]-4-pyridin-2-ylimidazolidine-2-thione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H35N5OS
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