You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
dicyclohexyl(1H-inden-1-id-2-yl)phosphane;hafnium(4+);1H-inden-1-id-2-yl(dimethyl)phosphane;dichloride is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H40Cl2HfP2
assistant