You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[6-oxo-5-[1-(4-phenoxyphenyl)propyl]-2-propylsulfanyl-1H-pyrimidin-4-yl]formamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H25N3O3S
assistant