You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[9-(4-hydroxy-3-methylphenyl)fluoren-9-yl]-2-methylphenol;4-(4-hydroxy-3-methylphenyl)sulfonyl-2-methylphenol;methane;sulfane is the IUPAC name of a molecule. Please give its molecular formula.
user
C42H42O6S2
assistant