You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-(3,5-diaminopiperidin-1-yl)-6-(3-methyl-4-nitroanilino)-1,3,5-triazin-2-yl]piperidine-3,5-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H31N11O2
assistant