You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2R)-2-[(2-chlorophenyl)methyl-[2-(3,5-dichloro-N-(4-methylphenyl)sulfonylanilino)acetyl]amino]-N-ethylpropanamide ?
user
C27H28Cl3N3O4S
assistant