You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-[6-cyano-5-(trifluoromethyl)pyridin-3-yl]-3-(5-fluoroindol-1-yl)-2-hydroxy-2-methylpropanamide ?
user
C19H14F4N4O2
assistant