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)-N-tert-butyl-2-[(3-chlorophenyl)methyl-[2-(4-chlorophenyl)sulfanylacetyl]amino]propanamide .
user
C22H26Cl2N2O2S
assistant