You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[4-(5-amino-3-methylpyridin-2-yl)cyclohex-3-en-1-yl]-N,2,3,3-tetramethylbutanamide .
user
C20H31N3O
assistant