You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named N-[2-[[4-(2,6-dimethylmorpholin-4-yl)-3-fluorophenyl]methylamino]-2-oxoethyl]-2-phenylacetamide by IUPAC nomenclature, provide its molecular formula.
user
C23H28FN3O3
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