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system
Provide the molecular formula for the IUPAC named substance N'-[6-(4-fluorophenyl)imidazo[2,1-b][1,3,4]thiadiazol-2-yl]-N,N-dimethyl-1-(1-methylpyrazol-4-yl)ethane-1,2-diamine .
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C18H20FN7S
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