You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(3-methoxyphenyl)-4-methyl-5-[3-(4-methylsulfanylphenyl)-1,2,4-oxadiazol-5-yl]-3-pentyl-1,6-dihydropyrimidin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H30N4O3S
assistant