You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (2R)-2-[[2-[N-(benzenesulfonyl)-3-(trifluoromethyl)anilino]acetyl]-[(4-methylphenyl)methyl]amino]-N-ethylpropanamide .
user
C28H30F3N3O4S
assistant