You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2,2-dimethylpropane;1-[4-(2-methylphenyl)-3-propan-2-ylphenyl]ethenyl-[(3E,5Z)-octa-1,3,5-trien-4-yl]phosphane into its molecular formula.
user
C31H43P
assistant