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system
Name the molecular formula for the molecule established as 2-[(5-oxo-6,7,8,9-tetrahydro-4H-[1,2,4]triazolo[4,3-a]quinazolin-1-yl)sulfanyl]-N-[2-(trifluoromethyl)phenyl]acetamide using the IUPAC nomenclature.
user
C18H16F3N5O2S
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