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 16-N-dibenzothiophen-2-yl-5-N-phenyl-5-N,16-N-bis(2-phenylphenyl)-8-oxapentacyclo[11.7.1.02,7.09,21.014,19]henicosa-1(21),2(7),3,5,9,11,13,15,17,19-decaene-5,16-diamine .
user
C62H40N2OS
assistant