You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-[[6-(ethylcarbamoylamino)-4-(3,4,5-trifluoroanilino)pyridine-3-carbonyl]amino]phenyl]propanoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H22F3N5O4
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