You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-(2-methylpropyl)-N-[2-oxo-2-[[4-[2-oxo-2-(propylamino)ethyl]-1,3-thiazol-2-yl]amino]ethyl]furan-2-carboxamide into its molecular formula.
user
C19H26N4O4S
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