You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3R,5S)-1-[4-(cycloheptylamino)-6-[(3R,5S)-3,5-diaminopiperidin-1-yl]-1,3,5-triazin-2-yl]piperidine-3,5-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C20H38N10
assistant