You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(3R)-3-hydroxy-4-[(4-methoxyphenyl)sulfonyl-(2-methylpropyl)amino]-1-phenylbutan-2-yl]-2-methyl-5-nitrobenzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H35N3O7S
assistant