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system
Name the molecular formula for the molecule established as ethyl 2-[[2-[4-[4-cyano-2-(furan-2-yl)-1,3-oxazol-5-yl]piperazin-1-yl]acetyl]amino]-5-ethylthiophene-3-carboxylate using the IUPAC nomenclature.
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C23H25N5O5S
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