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 2-(2-chloro-6-fluorophenyl)-N-(1-phenyl-3,6-diazatricyclo[4.3.1.13,8]undecan-9-yl)acetamide .
user
C23H25ClFN3O
assistant