You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[3,5-bis(trifluoromethyl)phenyl]-N-[(1R)-1-phenyl-2-[(tributyl-lambda5-phosphanylidene)amino]ethyl]prop-1-en-2-amine into its molecular formula.
user
C31H43F6N2P
assistant