You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(2-hydroxyethyl)-N-(1-methylcyclopropyl)-3-[(3-methyl-1,2-oxazolidin-5-yl)methyl]-2,4-dioxo-4a,5,6,7,8,8a-hexahydroquinazoline-6-sulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H32N4O6S
assistant