You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(6-amino-1-benzyl-2,4-dioxopyrimidin-5-yl)-N-(3-methoxypropyl)-4-thiophen-2-ylbutanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H28N4O4S
assistant