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 identified by N-[3-[5-(2-aminopyrimidin-4-yl)-2-tert-butyl-1,3-thiazol-4-yl]-2,5-dichlorophenyl]propane-1-sulfonamide ?
user
C20H23Cl2N5O2S2
assistant