You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2S)-1-[[(1S)-1-cyano-2-[(3R)-3-methyl-2-oxo-1H-indol-3-yl]ethyl]-methylamino]-4-methyl-1-oxopentan-2-yl]-3-fluoro-N-methyl-4-(trifluoromethoxy)benzamide into molecular formula.
user
C28H30F4N4O4
assistant