You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[4-(2-bromo-4-fluorophenyl)-5-ethoxycarbonyl-2-(C-methanimidoylsulfanylcarbonimidoyl)-1,4-dihydropyrimidin-6-yl]methyl]morpholine-3-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H23BrFN5O5S
assistant