You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (4R,5S)-1-benzyl-5-[1-(2,3-dichlorophenyl)-2,5-dimethylpyrrol-3-yl]-4-pyridin-2-ylimidazolidine-2-thione is given. What is its corresponding molecular formula?
user
C27H24Cl2N4S
assistant