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 N-[2-[[(1S)-2-(dimethylamino)-2-oxo-1-phenylethyl]amino]-2-oxoethyl]-2-hydroxy-5-methyl-3-[(2,2,2-trifluoroacetyl)amino]hexanamide ?
user
C21H29F3N4O5
assistant