You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[4-(2-aminopyridin-4-yl)-2-methyl-1,3-thiazol-5-yl]phenyl]-3-(4-chlorocyclohexa-1,5-dien-1-yl)urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H20ClN5OS
assistant