You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S,5R)-5-(1-cyclohexylpyrrol-2-yl)-1-(4-phenoxyphenyl)-4-pyridin-2-ylimidazolidine-2-thione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H30N4OS
assistant