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system
Name the molecular formula for the molecule established as [3-(21,21-dimethyl-14-thia-8,10-diazapentacyclo[11.8.0.03,11.04,9.015,20]henicosa-1(13),2,4(9),5,7,11,15,17,19-nonaen-10-yl)phenyl]-imidazo[1,2-f]phenanthridin-11-yl-diphenylsilane using the IUPAC nomenclature.
user
C53H38N4SSi
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