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system
Provide the molecular formula for the IUPAC named substance 3-bromo-1-[5-[5-(3-bromo-5,6-dihydro-4H-cyclopenta[c]thiophen-1-yl)thiophen-2-yl]thiophen-2-yl]-5,6-dihydro-4H-cyclopenta[c]thiophene .
user
C22H16Br2S4
assistant