You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-cyclohexa-1,3-dien-1-yl-4-[6-(9-oxapentacyclo[11.8.0.02,10.03,8.016,21]henicosa-1(13),2(10),3(8),11,14,17-hexaen-19-yl)cyclohexa-2,4-dien-1-yl]-6-(1,2,7,8-tetrahydronaphthalen-2-yl)-1,5-diaza-3-azanidacyclohex-6-ene is the IUPAC name of a molecule. Please give its molecular formula.
user
C45H46N3O-
assistant