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 22-methyl-12-oxa-22-azahexacyclo[11.11.0.02,11.04,9.015,23.016,21]tetracosa-1(24),2,4,6,8,10,13,15(23),16,18,20-undecaene .
user
C23H15NO
assistant