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 methyl 3-[6-methoxy-5-[2-oxo-2-[6-(trifluoromethyl)pyridin-2-yl]ethyl]indazol-2-yl]-2-methylpropanoate ?
user
C21H20F3N3O4
assistant