You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[6-chloro-1-[4-(difluoromethoxy)benzoyl]-5-hydroxy-2-methylindol-3-yl]acetamide;2-[6-chloro-1-[4-(difluoromethoxy)benzoyl]-5-hydroxy-2-methylindol-3-yl]-N-methylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C39H32Cl2F4N4O8
assistant