You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[(1R)-3-[(2Z)-2-[(4R)-3-benzyl-4-ethyl-1,3-thiazolidin-2-ylidene]hydrazinyl]-1-(oxan-4-yl)-2,3-dioxopropyl]cycloheptanecarboxamide into its molecular formula.
user
C28H40N4O4S
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