You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-tert-butyl-2-[[2-(N-(3,4-dimethoxyphenyl)sulfonyl-4-fluoroanilino)acetyl]-[(4-methoxyphenyl)methyl]amino]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C31H38FN3O7S
assistant