You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(2-benzo[d][1,3,2]benzodioxaphosphepin-6-yloxy-3,5-ditert-butylphenyl)-4,6-ditert-butylphenyl] (4-nonylphenyl) (4-nonylphenyl)methyl phosphite is the IUPAC name of a molecule. Please give its molecular formula.
user
C71H96O6P2
assistant