You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(2,4-dioxo-1H-quinazolin-3-yl)-N-[(3-ethoxy-4-propoxyphenyl)methyl]-N-propylacetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H31N3O5
assistant