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 (4R,5S,9S,10S)-7-(4-methylphenyl)-4-phenyl-12-oxa-7-azapentacyclo[11.8.0.02,10.05,9.016,21]henicosa-1(13),2,14,16,18,20-hexaene-6,8,11-trione .
user
C32H23NO4
assistant