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system
Provide the molecular formula for the IUPAC named substance 2-[7-[(5-cyano-3-isocyano-4-methylthiophen-2-yl)diazenyl]-2-(4-oxoheptan-2-yl)-5H-pyrazolo[1,5-b][1,2,4]triazol-6-yl]benzoic acid .
user
C25H22N8O3S
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