You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-cyclohexyl-2-[7-(ethylcarbamoylamino)-1-hydroxy-4a,8-dimethyl-2,3,4,5,6,7,8,8a-octahydro-1H-naphthalen-2-yl]propanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H43N3O3
assistant