You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 4-[ethyl-[(1R,3S)-3-[3-(2-methoxyethyl)imidazol-4-yl]cyclohexyl]amino]-2-(trifluoromethyl)benzonitrile ?
user
C22H27F3N4O
assistant