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system
Name the molecular formula for the molecule established as N-[2-oxo-2-[4-[(3-thiophen-2-yl-1,2,4-oxadiazol-5-yl)methyl]piperazin-1-yl]ethyl]furan-2-carboxamide using the IUPAC nomenclature.
user
C18H19N5O4S
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