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system
Provide the molecular formula for the IUPAC named substance 2-(4-chloro-3-fluorophenoxy)-N-[3-[2-(4-ethyl-1,3-thiazol-2-yl)-2-oxoethyl]-1-bicyclo[1.1.1]pentanyl]acetamide .
user
C20H20ClFN2O3S
assistant