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 (3S)-3-methoxy-N-[[4-[[(2S)-3,3,3-trifluoro-2-hydroxy-2-(3,4,5-trichlorophenyl)propyl]amino]phenyl]methyl]butanamide ?
user
C21H22Cl3F3N2O3
assistant