You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 3-N-dibenzofuran-1-yl-1-N-dibenzothiophen-3-yl-1-N,3-N-bis(9,9-dimethylfluoren-2-yl)benzene-1,3-diamine ?
user
C60H44N2OS
assistant