You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
11-(10-dibenzofuran-1-ylanthracen-9-yl)-9,14-dioxapentacyclo[11.7.0.02,10.03,8.015,20]icosa-1(13),2(10),3,5,7,11,15,17,19-nonaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C44H24O3
assistant