You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2S)-N-ethyl-2-[(4-fluorophenyl)methyl-[2-(4-methoxy-N-(4-methylphenyl)sulfonylanilino)acetyl]amino]butanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H34FN3O5S
assistant