You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(2-methoxyphenyl)-N'-[(E)-[3-(4-methoxyphenyl)-1-phenylpyrazol-4-yl]methylideneamino]oxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H23N5O4
assistant