You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (5Z)-5-[(1-ethylindol-3-yl)methylidene]-1-(2-methylphenyl)-1,3-diazinane-2,4,6-trione is given. What is its corresponding molecular formula?
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C22H19N3O3
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