You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-[2',3'-bis(hexa-1,3,5-triynoxy)-6',7'-dimethyl-9,9'-spirobi[fluorene]-3-yl]benzene-6-id-1-yl]-2-methanidylisoquinolin-2-ium;iridium;molecular hydrogen is the IUPAC name of a molecule. Please give its molecular formula.
user
C55H50IrNO2-
assistant