You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[1-[4-[(4-fluorophenyl)methylcarbamoyl]-5-hydroxy-1-methyl-6-oxopyrimidin-2-yl]propan-2-yl]imidazo[2,1-b][1,3]thiazole-6-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H21FN6O4S
assistant