You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[1-[(5-fluoro-2-methoxyphenyl)methyl]-2-oxo-4,5-dihydro-3H-1-benzazepin-3-yl]-2-(methylamino)propanamide into its molecular formula.
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C22H26FN3O3
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