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 9-(4-tert-butylpyridin-2-yl)-6-carbazol-9-yl-2-[3-[4-carbazol-9-yl-3-(3,5-ditert-butylphenyl)benzimidazole-1,3-diium-1-yl]benzene-2-id-1-yl]oxy-1H-carbazol-1-ide;platinum(2+) .
user
C72H60N6OPt+2
assistant