You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N-methyl-6-[5-(1-methylsulfonylpiperidin-4-yl)-1,2,4-oxadiazol-3-yl]-2-N-phenyl-1,3,5-triazine-2,4-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H22N8O3S
assistant