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 4,4,4-trifluoro-3-hydroxy-N-methyl-3-(1-methylimidazol-2-yl)-N-[2-(4-methylphenoxy)ethyl]butanamide ?
user
C18H22F3N3O3
assistant