You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[(6-oxo-1-phenylpyridazine-3-carbonyl)-[[4-(trifluoromethyl)phenyl]methyl]amino]acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H20F3N3O4
assistant