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-azapentacyclo[10.7.1.02,7.08,20.013,18]icosa-2(7),3,5,8(20),9,11,13,15,17-nonaen-3-ol .
user
C19H13NO
assistant