You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3-chloro-4-methylphenyl)-N'-[(3-iodo-5-methoxy-4-phenylmethoxyphenyl)methylideneamino]butanediamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H25ClIN3O4
assistant