You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2,17-bis(4-fluorophenyl)-7,12-diphenyl-21,23-dithia-22,24-diazapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1(20),2,4,6(24),7,9,11,13(22),14,16,18-undecaene .
user
C44H26F2N2S2
assistant