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 (2R)-N-[3-[(2-tert-butyl-5,6-dimethylpyrimidin-4-yl)amino]cyclobutyl]-5-oxopyrrolidine-2-carboxamide .
user
C19H29N5O2
assistant