You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[(Z)-[4-[2-(3-chloro-4-methylanilino)-2-oxoethoxy]-3-ethoxyphenyl]methylideneamino]-N-(2-fluorophenyl)oxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H24ClFN4O5
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