You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-[(3Z)-3-ethenyl-4-[1-ethyl-3-(trifluoromethyl)pyrazol-4-yl]-5-fluorohexa-3,5-dienyl]acetamide .
user
C16H19F4N3O
assistant