You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-[1-(3-chlorophenyl)pyrrol-2-yl]-4-pyridin-2-yl-1-(pyridin-4-ylmethyl)imidazolidine-2-thione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H20ClN5S
assistant