You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(13,13-dimethyl-5-phenyl-12-pyridin-2-ylindolo[2,3-a]acridin-10-yl)-[3-(1-methylbenzimidazol-2-yl)phenyl]-diphenylsilane is the IUPAC name of a molecule. Please give its molecular formula.
user
C58H45N5Si
assistant