You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
16-[2-(8b,12a-dihydrotriphenylen-2-yl)phenyl]-6-(7,9,9-trimethyl-7,8-dihydrofluoren-2-yl)-10-oxahexacyclo[11.9.0.03,11.04,9.014,19.020,22]docosa-1(13),2,4(9),5,7,11,14(19),15,17-nonaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C61H46O
assistant