You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 7-imidazo[1,2-f]phenanthridin-11-yloxy-21,21-dimethyl-10-pyridin-2-yl-14-thia-10-azapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4(9),5,7,11,15,17,19-nonaene into its molecular formula.
user
C41H28N4OS
assistant