You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-cyclohexyl-4-(propan-2-ylamino)-2-(1,3-thiazol-5-yl)thieno[2,3-b]pyridine-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H24N4OS2
assistant