You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-tert-butyl-2-[[2-(4-methoxy-N-(4-methyl-3-nitrophenyl)sulfonylanilino)acetyl]-[(4-methylphenyl)methyl]amino]butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H40N4O7S
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