You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-amino-N-[5-[3-(dimethylamino)propylamino]-5-oxo-1-phenylpentan-2-yl]cyclopentane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H36N4O2
assistant