You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-chloro-4-[(E)-4-[(1R)-1-cyclohexa-2,4-dien-1-ylethoxy]-1,1,1-trifluorobut-2-en-2-yl]benzene is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H18ClF3O
assistant