You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S,4S)-4-[2-[3,5-bis(trifluoromethyl)phenyl]ethoxycarbonylamino]-2-cyclopropyl-2-propyl-6-(trifluoromethyl)-3,4-dihydroquinoline-1-carboxylic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H27F9N2O4
assistant