You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 3-(4-bromo-5-cyclopentylsulfanyl-2-fluorophenyl)-1-methyl-6-(trifluoromethyl)pyrimidine-2,4-dione by IUPAC nomenclature, provide its molecular formula.
user
C17H15BrF4N2O2S
assistant