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 5-[3,5-di(carbazol-9-yl)phenyl]-9-oxa-1,4,18-triazahexacyclo[15.7.0.02,10.03,8.011,16.019,24]tetracosa-2(10),3(8),4,6,11,13,15,17,19,21,23-undecaene .
user
C50H29N5O
assistant