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 diphenyl-(9-phenylcarbazol-3-yl)-[3-(9-thia-14-azapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),4,6,11,15,17,19-octaen-14-yl)phenyl]silane .
user
C54H38N2SSi
assistant