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-[(3,4-dichlorophenyl)methylsulfanyl]acetyl]-[(4-methylphenyl)methyl]amino]-N-propan-2-ylpropanamide .
user
C23H28Cl2N2O2S
assistant