You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 2-[(S)-(4-chlorophenyl)-[(4S)-1-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-3-methyl-5-oxo-4H-pyrazol-4-yl]methyl]propanedinitrile ?
user
C23H15Cl2N5OS
assistant