You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 2-[[2-(2-methoxy-N-(4-methylphenyl)sulfonylanilino)acetyl]-[(4-methoxyphenyl)methyl]amino]-N-propylbutanamide is given. What is its corresponding molecular formula?
user
C31H39N3O6S
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