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 2-tert-butyl-4,5-dimethyl-N-[(2R)-1-oxo-1-(propylamino)propan-2-yl]thieno[2,3-d]pyrimidine-6-carboxamide .
user
C19H28N4O2S
assistant