You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (4S,5S)-5-[1-(5-chloro-2-hydroxyphenyl)-2,5-dimethylpyrrol-3-yl]-1-(2-hydroxyphenyl)-4-pyridin-2-ylimidazolidine-2-thione .
user
C26H23ClN4O2S
assistant