You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
16-N-(9,9-dimethylfluoren-2-yl)-5-N-(4-fluoro-2-phenylphenyl)-5-N-[(2Z,4Z)-hexa-2,4-dienyl]-16-N-phenyl-8,19-dioxahexacyclo[10.10.2.02,7.09,23.013,18.020,24]tetracosa-1(23),2(7),3,5,9,11,13(18),14,16,20(24),21-undecaene-5,16-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C61H45FN2O2
assistant