You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named N-[4-[5-[1-(3-chlorophenyl)-2,4,5-trimethylpyrrol-3-yl]-4-pyridin-2-yl-2-sulfanylideneimidazolidin-1-yl]-2-methylphenyl]propanamide by IUPAC nomenclature, provide its molecular formula.
user
C31H32ClN5OS
assistant