You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(3Z)-3-[1-cyano-2-[(2R,6R)-2,6-dimethylmorpholin-4-yl]-2-oxoethylidene]isoindol-1-yl]-4-fluorobenzamide into molecular formula.
user
C24H21FN4O3
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