You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 1-propan-2-yl-5-[(1,5,7-trimethyl-3,7-diazabicyclo[3.3.1]nonan-3-yl)methyl]piperidin-2-one .
user
C19H35N3O
assistant