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-(1-cyclopropyl-2,3,4,4a,5,7,8,8a-octahydro-1,6-naphthyridin-6-yl)-2-methylpropan-2-ol .
user
C15H28N2O
assistant