You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4S,5R)-1-[4-(4-methylphenoxy)phenyl]-5-(5-phenylsulfanylfuran-2-yl)-4-pyridin-2-ylimidazolidine-2-thione by IUPAC nomenclature, provide its molecular formula.
user
C31H25N3O2S2
assistant