You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[(E)-3-[1-methyl-4-oxo-6-(trifluoromethyl)pyridazin-3-yl]prop-2-enoxy]acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H15F3N2O4
assistant