You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 6,13-bis(1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptyl)-6,13-diazatetracyclo[6.6.2.04,16.011,15]hexadeca-1(15),2,4(16),8,10-pentaene-5,7,12,14-tetrone by IUPAC nomenclature, provide its molecular formula.
user
C28H4F30N2O4
assistant