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-chloro-N-(4-methoxyphenyl)sulfonylanilino)acetyl]-[(3-methoxyphenyl)methyl]amino]-N-ethylpropanamide .
user
C28H32ClN3O6S
assistant