You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
8-[4-(9,9-dimethylfluoren-2-yl)-6-(6,8,10-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5,10,12-hexaen-8-yl)-1,3,5-triazin-2-yl]-6,8,10-triazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3,5,10,12-hexaene is the IUPAC name of a molecule. Please give its molecular formula.
user
C38H25N9
assistant