You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-phenyl-3-[(4R,5S)-4-pyridin-2-yl-5-(1-pyridin-4-ylpyrrol-2-yl)-2-sulfanylideneimidazolidin-1-yl]propanamide is given. What is its corresponding molecular formula?
user
C26H24N6OS
assistant