You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[5-(3,5-dichlorophenyl)-5-(trifluoromethyl)-4H-1,2-oxazol-3-yl]-2-[1-(1H-1,2,4-triazol-2-ium-2-yl)prop-1-enyl]penta-2,4-dienenitrile The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H15Cl2F3N5O+
assistant