You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[(5R)-2,5-dimethyl-4-prop-2-enylpiperazin-1-yl]-(3-methoxycyclohexyl)methyl]-N,N-diethylcyclohexane-1-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H51N3O2
assistant