You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-(2-ethoxyphenyl)-2-[[4-(4-methoxyphenyl)-6-oxo-1H-pyrimidin-2-yl]sulfanyl]propanamide is given. What is its corresponding molecular formula?
user
C22H23N3O4S
assistant