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system
Provide the molecular formula for the IUPAC named substance benzhydryl (6R,7R)-7-amino-3-[(E)-2-(6-bromo-7-oxothieno[3,2-b]thiopyran-5-yl)sulfanylethenyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate .
user
C29H21BrN2O4S4
assistant