You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-benzhydryl-2-[4-[(4-oxo-5,6,7,8-tetrahydro-3H-quinazolin-2-yl)amino]piperidin-1-yl]acetamide ?
user
C28H33N5O2
assistant