You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (2R)-2-[[2-(2,4-dichloro-N-methylsulfonylanilino)acetyl]-[(2-methylphenyl)methyl]amino]-N-ethylbutanamide .
user
C23H29Cl2N3O4S
assistant