You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (11Z)-10-phenyl-8-oxa-14,19-diazapentacyclo[15.6.1.02,7.06,10.020,24]tetracosa-1(24),2(7),3,5,11,17,20,22-octaen-13-one .
user
C27H22N2O2
assistant