You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (4E)-3-methyl-N-(2-morpholin-4-ylethyl)-4-(phenylhydrazinylidene)-6,7-dihydro-5H-1-benzofuran-2-carboxamide into its molecular formula.
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C22H28N4O3
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