You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[2-chloro-5-(difluoromethoxy)pyridin-4-yl]-N-(5-cyclohexyloxy-1,3,4-thiadiazol-2-yl)-6-methylpyridine-3-carboxamide ?
user
C21H20ClF2N5O3S
assistant