You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(4-acetamidophenyl)sulfonyl-(2-phenylethyl)amino]-N-[(E)-(3,4,5-trimethoxyphenyl)methylideneamino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H32N4O7S
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