You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-(3-methylphenyl)-3-[4-pyridin-2-yl-2-sulfanylidene-5-(1,2,2,4-tetramethylquinolin-6-yl)imidazolidin-1-yl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C31H35N5OS
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