You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
acetonitrile;13,27-ditert-butyl-3,6,9,17,20,23-hexamethyl-3,6,9,17,20,23-hexazatricyclo[23.3.1.111,15]triaconta-1(28),11,13,15(30),25(29),26-hexaene-29,30-dithiolate;nickel(2+);prop-2-ynoate;tetraphenylboranuide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C69H91BN8Ni2O2S2
assistant